Isomers
同分异构体
🗣️ 情景例句
What's the food like in China?
中国的食物口味怎么样？
Sometimes it's nice just to sit around and do nothing.
偶尔坐着无所事事，也算是赏心乐事。
I don't know how to express my gratitude.
我不知道怎样来表达我的感激之情。