usaf翻译_读写
usaf 朗读
usaf
音标：ˌjuːeseɪ'ef
usaf翻译
usaf双语用法和例句
相关单词
udal undisciplined uncondescending umt unrepair underdog underfoot unvanquishable undefendable urethroscopy upcurl unbelief unhelm unsteadily uncandid uruguay undeserving uncustomed unequivocable uncarpeted