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's such an important decision.
这是一个如此重要的决定。
A change of work is as good as a rest.
调换一下工作是很好的休息。
Check the prices before you decide whether to buy one.
先把价格核对一下，再决定该不该买。