S-e1 mechanism
[化] S-E1機理; 單分子親電子取代機理
?? 詞語組成解析
mechanism
['m?k?n?z?m]
n. [生]機制，機能，[樂]機理;（機械）結構，機械裝置[作用]，（故事的）結構;[藝]手法，技巧，途徑;機械作用;
mechan=mechine機械+ism主義 →機械裝置
??? 情景例句
He cancelled his appointment.
他取消約會了。
The darkest hour is that before the dawn.
黎明前是最黑暗的時刻。
There had been fuel on the ship, but this did not appear to have caused the fire, and little smoke was produced.
很顯然，船艙里已經發生了一場烈火，但是船艙內壁卻完好無損。船上存放著汽油，但火災似乎不是它引起的，因為沒有冒出什么煙來。