| 单词 | 能缩回 |
| 释义 | 〔retractile〕That can be drawn back or in:能缩回或缩进的：〔cryptorchism〕A developmental defect marked by the failure of the testes to descend into the scrotum.隐睾病：一种睾丸未能缩回阴囊内的发育缺陷〔retractile〕the retractile claws of a cat.猫的能缩回的瓜子 |
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