英语词汇retraction ring的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	retraction ring
释义	retraction ring 英?[ri?tr?k??n ri?] 美?[r??tr?k??n r??] 释义 [医] 子宫收缩环，班都氏环
随便看	pitching vein pitching velocity pitching vessel pitching vibration pitching-wedge pitching wedge pitching-wedges pitching wedges pitching wort pitching yeast pitch instrument pitch interval pitch-in-the-hole pitch into pitch into sb pitch into sb/sth pitch invasion pitch invasions pitch it strong pitch kettle pitch-kettle pitch-knot Pitch L. pitch laddle pitch lake

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