Active principle
[化] 有效要素; 有效组分; 有效成分\\n[医] 有效成分
🧩 词语组成解析
active
['æktiv]
adj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
n. [语法]主动语态;积极分子，活跃的人;
🗣️ 情景例句
Why did you stop working?
你为什么要退休？
The goods were carefully packed and shipped here in excellent condition.
货物包装得很仔细，装船很小心，在这儿完好无损。
The examiner must have been pleased with my performance, for he smiled and said.'Just one more thing, Mr.Eames.
“埃姆斯先生，只剩1项了。