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
This sentence doesn't make any sense.
这个句子完全讲不通。
Every dog is valiant at his own door.
站在家门口，狗也雄纠纠。
She had lived in the flat for thirty years and was a veritable magpie at hoarding;
老妇人在这套公寓里住了30年，她又是个名副其实的收藏家。