| 单词 | buttock |
| 释义 | Word Frequency buttock(ˈbʌtək) noun 1. either of the two large fleshy masses of thick muscular tissue that form the human rump See also gluteus ▶ Related adjectives: gluteal, natal2. the analogous part in some mammals Word origin C13: perhaps from Old English buttuc round slope, diminutive of butt (unattested) strip of land; see butt1, -ock |
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