S.i.
[医] 可溶胰岛素, 国际单位制
🗣️ 情景例句
He invests his money in the stock market, dreaming of huge profits.
他把钱投资在股市中， 梦想从中获暴利。
I was so tired I couldn't keep up with her.
我太累了，跟不上她的步伐。
I had to sit up all night writing the report.
我不得不熬通宵写报告。