S.i.
[医] 可溶胰岛素, 国际单位制
🗣️ 情景例句
I feel sick as a dog.
我病得很厉害。
By the way, I don't want a night flight.
随便提一下，我不要夜航班机。
If Tom cannot keep his promise, he'll lose face.
如果汤姆不能信守诺言，他就会丢面子。