Fcv
abbr. fill-and-check valve 注入与检查阀门
🗣️ 情景例句
Well, Harry, that's because I do.
哦，Harry， 那是因为我关心。
No possession, but use, is the only riches.
真正的财富不是占有，而是使用。
The computer will still be unable to predict whether Princeton,New Jersey, will have sun or rain on a day one month away.
计算机无法推断出1个月以后的某一天，新泽西州的普林斯顿究竟是晴天还是雨天。