retractors英式朗读美式朗读基本解释(retractor 的复数) n. 食言的人, 牵拉肌, 牵开器 [医] 牵开器, 缩肌英文释义plural of retractor n. surgical instrument that holds back the edges of a surgical incision词形变化原形retractor上一个单词:retractor下一个单词:retracts