网页抓取 API
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// real response (first 5 results)
{
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    "time_taken": 0.51,
    "organic_results_state": "Results for exact spelling",
    "url": "https://www.google.com/search?q=wireless+headphones&gl=us&hl=en&num=10"
  },
  "ai_overview": {
    "text_blocks": [
      {
        "type": "paragraph",
        "snippet": "Wireless headphones use Bluetooth technology—short-range radio waves—to receive audio signals from devices like smartphones or computers, eliminating the need for cables. They work by pairing, converting digital audio into radio signals, and using internal components (DACs and amplifiers) to turn those signals into sound.",
        "snippet_links": [],
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        "video": null,
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      },
      {
        "type": "paragraph",
        "snippet": "How Wireless Headphones Work: Core Components",
        "snippet_links": [],
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        "video": null,
        "video_links": []
      },
      {
        "type": "paragraph",
        "snippet": "Bluetooth Technology : The headphones and audio device pair and create a \"Piconet\" (a network), allowing them to exchange data. This connects them without an internet network or router. Signal Conversion: The headset's Bluetooth receiver picks up digital audio signals, which are converted into analog signals by integrated DACs (Digital-to-Analog Converters). Amplification: An internal amplifier increases the signal to a voltage level that can drive the headphones' speakers.",
        "snippet_links": [],
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        "video": null,
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      },
      {
        "type": "paragraph",
        "snippet": "True Wireless vs. Regular Wireless",
        "snippet_links": [],
        "list_items": [],
        "video": null,
        "video_links": []
      },
      {
        "type": "list",
        "snippet": null,
        "snippet_links": [],
        "list_items": [
          {
            "title": "Bluetooth Technology :",
            "snippet": "The headphones and audio device pair and create a \"Piconet\" (a network), allowing them to exchange data.  This connects them without an internet network or router",
            "snippet_links": []
          },
          {
            "title": "Signal Conversion:",
            "snippet": "The headset's Bluetooth receiver picks up digital audio signals, which are converted into analog signals by integrated DACs (Digital-to-Analog Converters)",
            "snippet_links": []
          },
          {
            "title": "Amplification:",
            "snippet": "An internal amplifier increases the signal to a voltage level that can drive the headphones' speakers",
            "snippet_links": []
          },
          {
            "title": "Data Compression (Codecs):",
            "snippet": "To transmit large audio files over Bluetooth quickly, audio is compressed using codecs like SBC, AAC, or aptX",
            "snippet_links": []
          },
          {
            "title": "True Wireless (e.g., AirPods):",
            "snippet": "No wires exist at all.  One earbud is typically the \"primary\" that connects to the phone and relays information to the secondary earbud to ensure audio sync",
            "snippet_links": []
          }
        ],
        "video": null,
        "video_links": []
      }
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    "references": [],
    "page_token": null,
    "deferred": false
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      "title": "Wireless Headphones",
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      "displayed_link": "https://www.amazon.com › wireless-headphones › k=wir...",
      "snippet": "Shop quality wireless headphones with advanced Bluetooth technology . Choose from lightweight, foldable designs and long-lasting battery options for all-day ...",
      "highlighted_keywords": [
        "Shop quality wireless headphones with advanced Bluetooth technology"
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      "date": null,
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      "position": 2,
      "title": "Shop Wired, Wireless & Bluetooth Headphones - Skullcandy",
      "link": "https://www.skullcandy.com/collections/wireless-wired-bluetooth-headphones",
      "displayed_link": "https://www.skullcandy.com › collections › wireless-wir...",
      "snippet": "Skullcandy's wired and wireless headphones guarantee you an immersive audio experience like no other. Browse the collection today and start listening.",
      "highlighted_keywords": [
        "Skullcandy's wired and wireless headphones"
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      "source": "skullcandy.com",
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      "date": null,
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    },
    {
      "position": 3,
      "title": "The 5 Best Wireless Headphones of 2026",
      "link": "https://www.rtings.com/headphones/reviews/best/by-feature/wireless-bluetooth",
      "displayed_link": "https://www.rtings.com › Headphones › Best",
      "snippet": "Jun 10, 2026 — The Sony WH-1000XM6 are the best wireless headphones we've tested in part due to their combination of premium features and outstanding noise ...",
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        "Sony WH-1000XM6"
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      "date": null,
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      "page_rank": 3
    },
    {
      "position": 4,
      "title": "Wireless Earbuds - Headphones",
      "link": "https://www.bestbuy.com/site/headphones/wireless-headphones/pcmcat331200050015.c?id=pcmcat331200050015",
      "displayed_link": "https://www.bestbuy.com › Headphones",
      "snippet": "Shop for wireless headphones at Best Buy . Discover our selection of wireless headphones in a variety of styles and convenient features.",
      "highlighted_keywords": [
        "Shop for wireless headphones at Best Buy"
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      "position": 5,
      "title": "The 3 Best Bluetooth Wireless Headphones of 2026",
      "link": "https://www.nytimes.com/wirecutter/reviews/best-bluetooth-headphones/",
      "displayed_link": "https://www.nytimes.com › Electronics › Headphones",
      "snippet": "Jun 29, 2026 — The JBL Tour One M2 over-ear Bluetooth headphones sound great, have a long battery life, and offer premium features at a lower price than ...",
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      "rank": 5,
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      "rank": 2,
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      "rank": 3,
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      "title": "Shop Wired, Wireless & Bluetooth Headphones - Skullcandy",
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      "rank": 5,
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  "related_questions": [
    {
      "question": "What are the best wireless headphones?",
      "rank": 2
    },
    {
      "question": "Why are people ditching Bluetooth headphones?",
      "rank": 3
    },
    {
      "question": "Which brand of wireless headphones is best?",
      "rank": 4
    },
    {
      "question": "Should I wear headphones if I have vertigo?",
      "rank": 5
    }
  ],
  "related_searches": [
    {
      "query": "With Microphone",
      "link": "https://www.google.com/search?q=wireless+headphones+with+microphone&gl=us&hl=en"
    },
    {
      "query": "Noise Canceling",
      "link": "https://www.google.com/search?q=noise+canceling+wireless+headphones&gl=us&hl=en"
    },
    {
      "query": "For Gaming",
      "link": "https://www.google.com/search?q=wireless+headphones+for+gaming&gl=us&hl=en"
    },
    {
      "query": "Under $50",
      "link": "https://www.google.com/search?q=wireless+headphones+under+$50&gl=us&hl=en"
    },
    {
      "query": "$100 - $300",
      "link": "https://www.google.com/search?q=wireless+headphones+between+$100+and+$300&gl=us&hl=en"
    }
  ],
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}