英语词汇rocketry的意思、用法及释义-英汉双解词典

单词	rocketry
释义	rocketry n[U] (science or practiceof) using rockets for propelling missiles or spacecraft 火箭学; 火箭技术.
随便看	onlooker only ono onomatopoeia onomatopoeic onrush onset onshore onside onslaught on-stage on the quiet on to onto ontological ontology onus onward onyx O, o oodles O, oh oomph ooze op

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