单词	rockoon
释义	rockoon noun rock·​oon (ˈ)rä¦kün plural -s : a small rocket carried to a high altitude by a balloon and then fired Word History Etymology rock(et) + balloon
随便看	flop flop (down) flop down flop sweat flop-eared floperoo flopest flophouse flophouses flopover flopovers flopped flopped (down) flopped down flopper flopperoo floppers floppest floppety floppier floppies floppiest floppilier floppiliest floppily

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。