热门： obviously happy 单词大全

首页字典词典成语诗文诗词名句古籍故事国学美文节日英语新

×

首页英语词典reconnaissancereconnaissance考试真题

reconnaissance

英 [rɪ'kɒnɪs(ə)ns] 美[rɪ'kɑnɪsns]

英英释义考试真题实用场景例句

n. [军] 侦察；勘测（等于reconnoissance）；搜索；事先考查

考试真题

since then, NASA, the National Reconnaissance Office and even Boeing have all launched and operated CubeSats.