英语词汇rocket propulsions简单造句、意思、用法及例句-英语例句辞典

单词	rocket propulsions
例句	原声例句经济学人（汇总） Why was she not allowed into the engineers' lectures on orbital mechanics and rocket propulsion? 为什么不让她参加工程师们关于轨道力学和火箭推进的讲座？ PBS访谈环境系列 And so the idea that there might be something somewhat within the realm of attainable if we come up with some really cool rocket propulsion ideas gets people thinking. 因此，如果我们想出一些非常酷的火箭推进想法，可能会有一些东西在可实现的范围内，这一想法引起了人们的思考。
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