Early experiments with military rockets prepared the ground for space travel.
早期军用火箭的试验为太奠定了基础。
Early experiments with military rockets prepared the ground for space travel.
早期军用火箭的试验为太奠定了基础。
Scientists say these unmanned flights can make important and exciting discoveries.
科学家们说这次无驾驶的太
能够获得令
兴奋的重大
。
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工审核,其表达内容亦不代表本软件的观点;若
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