1b
1bf0a6cf... 1y ago

当空气被泵入沙子中时，沙子就会变成液体状物质。

视频：Mark Rober https://t.co/MVphM6oRQ1 https://video.twimg.com/ext_tw_video/1761420882357239809/pu/vid/avc1/1280x720/EQxNdtuSFj_lBjEs.mp4?tag=12

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