Epimerism
差向异构
🗣️ 情景例句
My watch stopped.
我的表停了。
I'm thirsty. It's too hot and dry.
我口渴了。天气太热太干燥了。
Well, Mrs Brown, maybe he has caught a bit of a cold.
嗯，布朗太太，也许他只是有点儿感冒。