Quick-return mechanism
[机] 急回运动, 急回机构
🧩 词语组成解析
quick
[kwɪk]
adj. 快的，急速的;聪明的，凌厉的;灵活的;短时间做成的;
adv. 迅速地，快速地;
n. （指甲下的）活肉;感情的中枢，感觉最敏锐的地方;要害，核心;
mechanism
['mɛkənɪzəm]
n. [生]机制，机能，[乐]机理;（机械）结构，机械装置[作用]，（故事的）结构;[艺]手法，技巧，途径;机械作用;
mechan=mechine机械+ism主义 →机械装置
🗣️ 情景例句
This is a good deal: buy 1, get 1 free.
这可是个好买卖：买一送一。
I would like to enlarge this film.
我要放大这底片。
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。