S.i.
[医] 可溶胰岛素, 国际单位制
🗣️ 情景例句
What can I do to cheer her up?
我要怎么做才可以让她振作起来？
It's a once in a lifetime chance.
这是一生难得的机会。
Now, dressed in a blue uniform and with a rifle over his shoulder, the prisoner marched boldly up and down in front of the camp.
现在他身穿蓝军装，肩扛步枪，在军营门前大胆地来回走看。