Intramolecular transformation
[化] 分子内重排作用
🧩 词语组成解析
a. [化学] 分子内的
🗣️ 情景例句
It's getting late. Please excuse me, but I must leave right away.
时间不早了。对不起，我得赶紧走了。
What's the longest river in the United States?
在美国最长的河是什么？
Just as that moment the train came into the station.
正在这时，火车进站了。