air defense simulation防空: air defense; antiaircraft; a ...模拟: imitate; copy防空模拟演习: canned air defense exercise低空模拟: low-altitude simulation高空模拟: high-altitude simulation下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:防空模拟，即可在微信中查询翻译
