Tautomerizing
互变现象
🗣️ 情景例句
Rome wasn't built in a day.
冰冻三尺，非一日之寒。
You may leave it to me.
交给我来办。
My teacher never spoke English like that! The porter and I looked at each other and smiled.
我的老师从来不那样讲英语！我和搬运工相视一笑。