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
I like blue, too, Daddy.
我也喜欢蓝色的， 爸爸。
She told me she wanted to start a company.
她告诉我她想开公司。
Two years later, her father disappeared, never to be heard from again.
两年后，她父亲失踪了，从此再无音讯。