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
Here are the X-rays you wanted, Dr. Stewart.
这是你要的X光片，Stewart医师。
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
I like folk music. I write my own songs and I play the guitar as well.
我喜欢民间音乐。我唱的歌自己谱曲，我也弹吉他。