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She crumbled an empty snail shell in her fingers.
她用手指捏碎了一个空蜗牛壳。 。
youdao
她用手指捏碎了一个空蜗牛壳。
If you have ever seen a snail shell, you know how a cochlea looks.
如果你看到过蜗牛的壳，你就知道耳蜗的形象。
This allows the crab to insert a large toothlike appendage on its right-hand claw into the opening, thus cracking the snail's shell.
ECONOMIST: Why some snails are left-handed
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