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
How much will you pay me for this job?
做这份工作你付给我多少钱？
Quick! Seize that child before she falls down.
快！趁还没掉下去，快抓住那孩子。
You'll know our products better after this visit.
参观后您会对我们的产品有更深的了解。