Fcv
abbr. fill-and-check valve 注入与检查阀门
🗣️ 情景例句
If you do it, I'll publish your work.
假如你拍好了， 我就出版你的作品。
The menu is dirty, Would you bring me a clean one, please?
这菜单是脏的，请你拿个干净的给我。
The harder I study, the better my English will be.
我越努力，我的英语就会越好。