Reciprocating action
[机] 往复动作
🧩 词语组成解析
[医] 交互的, 往复的
action
['ækʃən]
n. 行动，活动;功能，作用;手段;[法]诉讼;
🗣️ 情景例句
Maybe you can teach me how to work on a computer someday.
改天你教教我如何使用电脑吧。
Do not speak of your happiness to one less fortunate than yourself.
不要向不如你幸运的人述说你的幸福。
Among these I would list string and brown paper, kept by thrifty people when a parcel has been opened, to save buying these two requisites.
这些东西中我想举出线绳和包装纸为例。节俭的人们打开包裹后便把这两样必备的东西收藏起来。省得日后去买。