中国仅用两年时间就实现了从“一人一天”到“多人多天”航天飞行的重大跨越。

Within only 2 years, China realized a momentous leap from "one man one day" to "more men more days".

youdao

中国仅用两年时间就实现了从“一人一天”到“多人多天”航天飞行的重大跨越。

Within only 2 years, China realized a momentous leap from "one man one day" to "more men more days".

youdao