Ethioniamide
乙硫异烟胺
🗣️ 情景例句
We usually accept payment by irrevocable L C payable against shiping documents.
我们一般用不可撤销信用证，凭装运单据结汇付款方式。
Have you been busy with schoolwork?
学校的功课很忙吗？
He's going to school.
上学。