Epimeride
[化] 差向异构体
🗣️ 情景例句
Can you do me a favor?
你能帮我个忙吗？
Your niece is engaged,isn't she?
你的侄女订婚了，是吗？
I arranged to meet Jane after work last night but she didn't turn up.
我昨晚安排下班后见简，但她没来。