Fra
abbr. 联邦铁路局（Federal Railroad Administration）；联邦储备法（Federal Reserve Act）；流量警报记录器（Flow Alarm Recorder）；自由基型（Free Radical Type）
🗣️ 情景例句
Well, then, perhaps we can get together another time.
也许我们可以另找时间聚一聚。
I don't know how to work the machine.
我不懂得怎样使这部机器运转。
Yes, please. But why do you call them mooncakes?
行啊，请给我一个吧。但你们为什么叫它月饼？