Chemform
链霉素
🗣️ 情景例句
Thanks, John. You really go out of the way to make me feel welcome. Thanks you very much.
约翰，谢谢你。你真是煞费心思来让我感受到欢迎。谢谢你！
Would you wait here for a minute?
您能在这里等一下吗？
Was that the 21st?
21号吗？