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
The Molinas are a large family.
Molina家是一个大家庭。
When did you call?
你什么时候打电话来的？
You'd better find it quickly. Oh, too late.
你最好赶快找到它。啊，太迟了。