Idiomorphism
自形作用
🗣️ 情景例句
Lacks courtesy is ill-mannered.
不礼貌，举止不当。
Who rang the bell a while ago?
刚才谁在按门铃？
Well, have you considered using the lab in your free class? I suggest you ask Mr. Wu.
噢，你是否考虑过在自习课上利用这个实验室？我建议你问问吴先生。