Action principle
[化] 作用原理
🧩 词语组成解析
action
['ækʃən]
n. 行动，活动;功能，作用;手段;[法]诉讼;
🗣️ 情景例句
You are in great condition. I can't believe it!
你的身体太好啦。我简直不敢相信。
The evils we bring on ourselves are the hardest to bear.
自作孽不可活。
I am especially proud of it, not only because it has survived several severe winters, but because it occasionally produces luscious peaches.
我为这棵树感到特别自豪，不仅因为它度过了几个寒冬终于活了下来，而且还因为它有时结出些甘甜的桃子来。