Fcv
abbr. fill-and-check valve 注入与检查阀门
🗣️ 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！
I'd like to have you come to my house for dinner sometime.
改天请到我家来吃饭。
The dentist is very busy at the moment.
牙科医生这会儿很忙。