unstopvt.

英 ʌn'stɒp | 美 ʌn'stɑp

中文vt. 拔开塞子；除去障碍；拉出（风琴等的）音栓

词根词源

unstop (v.)"remove the stopper from," late 14c., from un- (2) "reverse, opposite of" + stop (v.). Related: Unstopped; unstopping.

关键词

unstop