unstop[,ʌn'stɔp]vt.1.■拔去…的塞子:to unstop a bottle拔去瓶塞2.■除去(管道等的)障碍物,疏通:to unstop a sewer疏通下水道,掏阴沟3.■拉出(风琴等的)音栓变形vt.unstoppedunstopping