太空火箭

The rocket boosts the astronaut into space.

这火箭能宇航太空。

Early experiments with military rockets prepared the ground for space travel.

早期军用火箭的试验为太空飞行奠定了基础。

The Americans and Russians have launched many rockets into space.

美国人和俄罗斯人已许多火箭发射到太空。