单词：USAF
美国空军, 美国陆军部队
n the airforce of the United States of America; the agency that defends the United States through control and exploitation of air and space
词型变化：名词复数形式 : usafs
USAF的用法和样例：
词汇搭配
- U.S.A.F.=United St...
【近义词】
单词：USAF 相关文章
By Mandy Clark Gloucestershire 18 July 2007 The 60th anniversary of the United States Air Force was celebrated at an airshow in Britain over the weekend. All kinds of aircraft were featured at the show, from antique B-52s to the agile Thunderbirds ae
发表于:2019-01-12 / 阅读(298) / 评论(0)
2007年VOA标准英语（七月）
2007年VOA标准英语（七月）