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 think you should take the highway all the way, and I'd advise you to avoid stopping to go sight-seeing.
我认为你最好全程走高速公路，而且我建议你不要停下来看风景。
Blood and gore.
很恶心！
The article began: 'Hundreds of steps lead to the high wall which surrounds the president's palace'.
“几百级台阶通向环绕总统的高墙。