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unstop

英 [ʌn'stɒp] 美 [ʌn'stɑp]

vt. 拔开塞子；除去障碍；拉出（风琴等的）音栓

英文词源

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