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
It really doesn't matter at all.
真的没关系。
I didn't notice you were wearing your new hat.
我没注意你戴了新帽子。
Justice is part of the complex machinery of the law.
正义是复杂的法律机器组成部分。