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n. 制动[减速]火箭系
n.
想词
spacecraft宇宙飞船;propellant推进物;propulsion推进;rocket火箭;parachute降落伞;orbit轨道;rockets火箭,烟火;missile导弹;payload有效载荷,有效负荷;

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BDA, BDAM, bday, BDC, BDD, BDE, bdella, bdellepithecium, bdellium, bdelloid,

相似单词


retroreflect, retroreflection, retroreflective, retroreflector, retroregulation, retrorocket, retro-rocket, retrorse, retrorsine, retrosection,