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
You probably heard about it. We have private teachers in our holiday.
或许你已经听说过。我们交大的学生在假期间做家教。
I did work this afternoon.
我今天下午工作。
We can't agree with the alterations and amendments to the contract.
我们无法同意对合同工的变动和修改。