| 单词 | test rocket |
| 释义 | test rocket (once / 622069 pages) n WORD FAMILY test rocket: test rockets USAGE EXAMPLESIts first three test rockets blew up, nearly bankrupting the company. Washington Post(Sep 09, 2016) North Korea is among the most isolated countries in the world and regularly defies the international community by launching test rockets and capturing political prisoners. New York Times(May 17, 2016) Last summer, an unmanned test rocket blew up over Texas, and Musk acknowledged the risks inherent in spaceflight. Washington Post(Jun 26, 2015) n a rocket fired for test purposes Syn|Hypo|Hyper research rocket, test instrument vehicle sounding rocket a research rocket used to obtain information about the atmosphere at various altitudes projectile, rocket any vehicle self-propelled by a rocket engine |
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