航天史 meaning in English
united states space activities
Examples
- In the 14th century , wang hu experimented with gunpowder - propelled rockets , making him a pioneer of aeronautics
十四世纪中国人万户利用火箭的反冲力和风筝上升的力量做升空实验，被誉为人类航天史上第一“飞人” 。 - Standing on the shoulders of giants and showing the way for those to come , mr yang has indeed achieved a breakthrough of monumental significance
这番话情真意挚、动人心弦。杨利伟在我国航天史上承先启后，取得了突破性的巨大成就。