Retractor
n. 食言的人, 牵拉肌, 牵开器\\n[医] 牵开器, 缩肌
🏥 医学释义
牵开器，拉钩
🗣️ 情景例句
Is there any more plain paper?
还有没有更多的白纸？
Whom will you invite to the meeting?
你将邀请谁参加会议？
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。