space travel

基本解释

Their research in rocketry blazed the way for space travel.
他們在火箭方麪的研究開辟了太空旅行的道路。
chazidian.com
EVEN by the standards of space travel, it has been a long, strange trip.
既使按太空旅行的標準來看，這也是一次漫長而奇怪的旅行。
It might be kind of fanciful to some, but on the other hand, space travel was considered science fiction not that many decades ago.
對於某些人，它可能衹是種幻想，但換句話說，幾十年前，太空旅行不也是被認爲是科幻小說嗎。

He also produced the thirteen-part series, "From the Earth to the Moon" because of his support for human space travel.
There is that sense of space, of expansiveness, the possibility of travel.
這是一種空間感，延伸感，對旅行可能性的感受。
耶魯公開課 - 1945年後的美國小說課程節選
The collision of the Russian and American satellites was the first of its kind in over fifty years of space travel.

Here's a way: Commit America to big, gaudy, public contests in space travel and energy.
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