S.i.
[医] 可溶胰岛素, 国际单位制
🗣️ 情景例句
Just my friend Mike and a few kids from school.
只有我的朋友Mike和学校里的几个伙伴。
An ambulance will be here in no time.
救护车马上就到。
It will be by special invitation only.
我们只邀请特别的客户