jackscrew

英[\'d??kskru?]
美[ \'d??k,skr?]

基本釋義

n.
螺旋起重機

真題例句

At Pullman's signal, each man turned his Jackscrew the same amount at the same time, thereby raising the building slowly and evenly.

2015年高考英語湖南卷 閱讀理解 閱讀B 原文

英英釋義

Noun

  • 1. screw-operated jack

同義詞

最新英語單詞

行業(yè)英語