S.i.
[医] 可溶胰岛素, 国际单位制
🗣️ 情景例句
These days the police are just too soft on drug peddlers.
现在警察对于毒贩过于手软。
He who laughs last laughs best.
谁笑在最后，谁笑得最好。
He could make out three men in a basket under it and one of them was holding a pair of binoculars.
他看清了气球下面有3个人呆在一只筐里，其中一个举着望远镜。