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
Oh, I'm glad you like it.
哦,知道你喜欢,我很高兴。
One cannot make a silk purse out of a sow's ear.
朽木不可雕。
That machine joins these different pieces of metal together.
那台机器把这些不同的金属片焊接起来。
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