《rockoon》怎以读
英 [rɒ'ku:n]
美 [rɒ'kun]
《rockoon》是什么意思
气球火箭；
学习《rockoon》怎么用
权威例句
RockoonTHE ROCKOONRockoon (Tangerine Dream Album)Return of the rockoonJapanese Rockoon System and TechniquesFeasibility of a low-cost sounding rockoon platformFeasibility of a Low-Cost Sounding Rockoon PlatformDetails of Rockoon launches made in 1956 from the USS COLONIAL in the Pacific OceanDevelopment of a Rockoon Launch Platform and a Sulfur Fuel Pulsed Plasma Thruster CubeSATPreliminary flight test for reentry flight of winged space vehicle by Rockoon