We have learned and mastered space travel.
這時(shí)地球人已經(jīng)學(xué)會(huì)并掌握了太空飛行。
Pioneer John Glenn was a pioneer in space travel.
約翰·格倫是太空飛行的先驅(qū)者。
Many companies are pursuing commercialized space travel.
許多公司在追求把太空旅行商業(yè)化。
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2021-09-01
We have learned and mastered space travel.
這時(shí)地球人已經(jīng)學(xué)會(huì)并掌握了太空飛行。
Pioneer John Glenn was a pioneer in space travel.
約翰·格倫是太空飛行的先驅(qū)者。
Many companies are pursuing commercialized space travel.
許多公司在追求把太空旅行商業(yè)化。