Tautomerism
n. 互变现象\\n[化] 互变异构现象
🗣️ 情景例句
She is constantly in love.
她不停在恋爱。
Would you mind mailing this letter for me?
你能替我寄这封信吗？
no more than one or twofeet thick.
气垫只有一两英尺厚。