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
on the patio this morning.
要在院子 。
Do you have any comment on this clause.
你对这一条款有何看法？
It was my first flight. I was nervous when the plane took off.
我第一次坐飞机，起飞时我有点紧张。