Epimerization
差向[立体]异构(作用)
🗣️ 情景例句
I'm suspicious of excessive tenderness.
过度的温柔令我起疑。
Who is the governor of this state?
谁是这州的州长？
Excuse me for ringing you so late in the evening, but I've only just got home.
对不起，这么晚给你打电话，我刚到家。