Fcv
abbr. fill-and-check valve 注入与检查阀门
🗣️ 情景例句
Thanks, Ellen.
谢谢，Ellen。
The coach is always gloomy when the team loses a game.
球队一输球，教练总要绷起脸来。
There is a journalist and writer living in America whose name is Alex Haley.
有一位住在美国的记者兼作家，名叫亚历克斯·哈利。