Tautomer
n. [化]互变(异构)体
🗣️ 情景例句
How's your mental health?
你的精神状态怎么样？
He that lives long suffers much.
长寿的人多忧患。
Not very good at the moment, I'm afraid. It's quite windy, and there's a lot of snow.
恐怕这阵子不很好。风很大，而且老下雪。