词典释义：
双语例句
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It resides at beaches, rivers, and sandboxes all over the world. And while it may seem like we've got enough sand to last forever, we really don't.
它藏在世界各地的海滩、河流和沙箱中。虽然我们似乎有用不完的沙子，但实际上我们真的没有。