Membranogen
膜素
🗣️ 情景例句
Yes, he makes house calls, but the doctor has an opening only after 2:00 p.m.
好，他愿出诊，但他在下午2点后才有空。
Penny wise and pound foolish.
小事聪明，大事糊涂。
No, I don't.
不知道