Chemform
链霉素
🗣️ 情景例句
That's all right. I hope we can help you at some other time. Good-bye.
好了，希望我们今后还能给你帮助。再见。
You should wear a lightweight suit, It's hot today.
你应该穿一套薄一点的套装，因为今天很热。
Unfortunately it will cost a lot of money.
遗憾的是，这要花很大一笔钱。