a structure that holds a rocket or missile during launching
火箭发射装置。
a rocket that is used to convey a satellite or spacecraft into orbit
(将人造卫星或航天器送入轨道的)运载火箭。
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launchern.火箭发射装置;运载火箭
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launchedvt.开始从事;发起;发动;上市;发行;发射;把航天器发射上天;水中发射;使船下水;猛扑上前;创办企业;使…开始运作;(launch的过去式和过去分词)