英语词汇gravity insertion怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	gravity insertion
释义	gravity insertion 简明释义自由下落插入，自由落棒双语例句 1 MESSENGER is now in the last stages of multiple gravity-assist flybys of Earth, Venus and Mercury, en route to an insertion into orbit around Mercury in March of 2011. 目前“信使号”探测器已经到达了地球、金星、水星多重引力助力飞行的最后一个阶段，并将于2009年9月29号进行第三次飞越最终将在2011年3月正式进入水星轨道。
随便看	secondary low secondary lubricating pump secondary lung abscess secondary lung lobule secondary lymphatic organ secondary lymphedema secondary lymph nodule secondary lymphocyte antigen interaction secondary lymphoid nodule secondary lymphoid organ secondary lymphoid organ secondary lymphoid tissue secondary lysosome Secondary lysosome undergoing exocytosis secondary machine and electrical products secondary machine room secondary machining secondary macroglobulinemia secondary magnesium secondary magnesium phosphate secondary magnetic field secondary magnetization secondary main secondary maintenance secondary malabsorption syndrome

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