S.i.
[医] 可溶胰岛素, 国际单位制
🗣️ 情景例句
It would be wonderful,
那倒是很美妙，
Sorry, sir. But it's our graduation day.
对不起，不过，今天是毕业的日子嘛。
Students specialize in a particular type of practical joke: the hoax.
大学生擅长一种特殊的恶作剧——戏弄人。