单词 unstopper 释义 unstopper, v.(un-2 3, 4.)1839F. A. Griffiths Artill. Man. 185 [He] runs the carriage up and back, assists to hold on the fall, stoppers and unstoppers it.1860Family Economist 7 Jan. 15/1 Unstoppering.—This operation is..likely to be...