| 单词 | tractor screw |
| 释义 | > as lemmastractor screw tractor screw n. ΚΠ 1910 C. C. Turner Aerial Navigation viii. 127 In many monoplanes a single screw in front is used. It pulls the machine, and is often called a ‘tractor’ screw. 1913 Captain Sept. 1069/2 More biplanes than formerly use tractor screws in front, instead of propellers behind the main planes. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。