The competition will be at the Marine Corps Air Ground Combat Center in Twentynine Palms, Calif.-- a vast installation in the Mojave Desert region east of Los Angeles.是什么意思_The competition will be at the Marine Corps Air Ground Combat Center in Twentynine Palms, Calif.-- a vast installation in the Mojave Desert region east of Los Angeles.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句