Opposedconformation
[化] 重叠构象
🗣️ 情景例句
It was his first date in two years.
这是他两年来第一次约会。
If he doesn't tell him, I will.
如果他不，我将告诉他。
There are many things to be learnt when you start working.
开始工作时，你有许多东西要学。