1.space telescope 太空望远镜
例句:We put it on the space telescope before we launched it.
我们把它装到太空望远镜上,发射出去了。
2.Based on 基于...
例句:The selection process is based on rigorous tests of competence and experience.
选拔过程是基于对能力和经验的严格测试。
3.a pair of 一对;一双
例句:He put on a pair of short pants and an undershirt.
他穿上了一条短裤和一件汗衫。
4.hunt for 搜寻;寻找
例句:After a long hunt for him, we saw him emerging from the crowd.
我们找了他半天之后,看见他从人群里出来了。