Alfene synthesis
[化] 铝烯合成法(利用铝催化剂合成α-烯烃方法)
🧩 词语组成解析
🗣️ 情景例句
Smoking sucks!
吸烟太糟了。
You can count on us.
你可以信赖我们。
She put away her compact and smiled kindly.
她放好了粉盒，慈祥地微笑着。