Fac
abbr. 空军前进引导员（forward air controller）；联邦咨询委员会（Federal Advisory Council）；联邦航空委员会（Federal Aviation Commission）
🗣️ 情景例句
Well, it won't be easy.
嗯， 不很容易。
Beware of him who regards not his reputation.
要谨防不重自己名誉的人。
Later, the Crystal Palace was moved to South London.
后来，“水晶宫”被移到了伦敦南部。