S-r mechanism
[化] S-R机理; 自由基取代反应机理
🧩 词语组成解析
mechanism
['mɛkənɪzəm]
n. [生]机制，机能，[乐]机理;（机械）结构，机械装置[作用]，（故事的）结构;[艺]手法，技巧，途径;机械作用;
mechan=mechine机械+ism主义 →机械装置
🗣️ 情景例句
and Richard was eight pounds three.
Richard生下来时八磅三。
The author of these books is a great writer.
这些书的作者是位伟大的作家。
In the life her thoughts were on lunch and a good rest;
她乘上电梯后，只想着午餐和好好休息一下。