cavity

腔；窝

cavity

洞, 空穴, [解剖]腔

cavity

1. a sizeable hole (usually in the ground); "they dug a pit to bury the body"

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2. space that is surrounded by something

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3. soft decayed area in a tooth; progressive decay can lead to the death of a tooth

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4. (anatomy) a natural hollow or sinus within the body

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