基本解释adj.发射前的；下水前的同根派生 prelaunch相关词英汉例句用作形容词 (adj.)In the command center Captain Malakov stood near the periscope housing directing prelaunch procedures.指挥室内，艇长马拉科夫站在潜望镜台旁边，指挥着发射前的准备工作。prelaunch更多例句