butt crack
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释义
屁股沟
The gluteal cleft.
例句
Amy: Well, what about your fear of stray nails and butt cracks?
Sheldon: I am terrified of stepping on a nail and falling into a butt crack. (The Big Bang Theory)
艾米：你不是怕四散的钉子和工人露屁沟吗？
谢尔顿：我怕踩到钉子摔倒，脸贴在屁沟上。（生活大爆炸）
