Isomerism
高中 Senior Highn. 异性\\n[化] 异构; 异构现象
🗣️ 情景例句
Keep it. I'm buying tonight.
收着吧，今晚我付钱。
Which one is the longest river in China?
中国哪条河流最长？
Sit down here.
坐在这儿吧。