Isomerism
高中 Senior Highn. 异性\\n[化] 异构; 异构现象
🗣️ 情景例句
Go ahead.
说吧！
Ask no questions and you will be told no lies.
如果你少问，谎言就难进。
Good morning, nurse.I was to see the dentist,please.
早上好，护士。我想见牙科医生。