usaaf
abbr.
United States Army Air Forces 美国陆军航空部队;
例句:
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During today's action, the USAAF has strafed infantry and tanks from Monschau to Prum, 24 miles to the south-east.
来自BBC
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The site was established as a military airfield in 1938 and was used by both the RAF and the USAAF.
来自BBC