字典網>> 英漢字典>> R開頭詞條>>rocketry的意思 漢英字典rocketry 音標['rɒkәtri] 中文翻譯:n. 火箭研究 英文解釋:名詞 rocketry:the branch of engineering science that studies rocket design and operation rocketry相關詞條:RO RO-2-3973 RO-2-4572 RO-2-6222 roach road road accident road agent road capacity road carriage insurance