1·From his father, he knew that scientists make rockets to carry things into space, and spaceships are used to carry people through space.
从他父亲那里，他得知科学家们制造火箭来把东西送入太空，而宇宙飞船是用来载人穿行太空的。
2·Later in the century scientists and technicians started to look at the practical purposes for which fireworks might be employed, such as using rockets to help sailors establish their position at sea.
在该世纪后期，科学家和技术人员开始研究烟花的实际用途，比如利用烟花帮助水手确定他们在海上的位置。
3·I'll fly rockets to the moon.
我将火箭飞到月球。
4·I'll fly rockets to the moon.
我将会乘火箭到达月球。
5·They launched rockets to explore space.
他们发射火箭以探测太空。
6·I will be an astronaut, and I will fly rockets to the moon.
我要成为一名宇航员，乘坐火箭飞往月球。
7·We all want the Rockets to win, and you will be greatly missed.
我们都希望火箭能赢，我们都非常的想念你。
8·They made these indigenous rockets to disperse clouds and prevent hail storms.
他们制造这些土火箭，是为了驱云防雹。
9·In recent years, scientists have used powerful rockets to send spaceships into space.
近年来，科学家用强力的火箭将太空船送往太空。
10·'This is not advanced technology. We are not building rockets to get to the moon,' he said.
他说，这并非什么先进技术，我们不是在造登月火箭。