Why is space junk considered a problem?
为什么太空垃圾被认为是一个问题？
Many scientists are also suggesting different ways to clean up space junk.
许多科学家也提出了清理太空垃圾的不同方法。
太空垃圾极其危险。
Have you ever seen some space junk with your own eyes?
你在空间站亲眼眼看到过太空垃圾吗？
A four-inch piece of space junk can demolish a shuttle.
一片四英尺的太空垃圾可以摧毁一架航天飞机。
Pf : Probability that a piece of space junk will survive reentry.
Pf：指一块太空垃圾坠落到地球表面的概率。
We are presently being bombarded with space junk and comets;
目前我们受到了太空垃圾和彗星的不断袭击。
Never mind that the moon gets hammered with space junk all the time.
月球总是被太空垃圾敲敲锤锤的已经没关系了。
If some break or collide with space junk, others can take their place.
如果其中有些损坏，或是撞上了太空垃圾，还有其他的可以代替。
Nasa engineer Creon Levit said it was imperative that something was done about space junk.
美国宇航局工程师克里昂？莱维特表示，处理太空垃圾迫在眉睫。
How do I clean the junk files on my hard drive and free up space?
我如何清理垃圾文件在我的硬盘驱动器，并腾出空间？
The more space you have, the more junk you'll have.
空间越是大，你囤的无用杂物就越是多。
The more space you have, the more junk you'll have.
空间越是大，你囤的无用杂物就越是多。
应用推荐