他们把望远镜转向附近其他星系。They turned their telescopes towards other nearby galaxies.类星体是遥远星系的极为活跃的核心体.Quasars are the highly energetic cores of distant galaxies.我们还不知道宇宙中有多少个星系.We still don't know how many galaxies there are ...
Chris likes music and has a large collection of albums and cassettes.克里斯喜欢音乐，收集了大量的唱片和磁带。When I needed a tape to record an interview on I found I was fresh out of cassettes.我想找一盘带子为访谈录音时发现磁带刚刚都用完了。Budding linguists can t...
Hassles with your boss are sure erupt if you speak your mind.要是说出你的想法,一定会和老板发生争执.He avers that chaos will erupt if he loses...他断言，如果他失败将会爆发动乱。Then when fighting did erupt, he took us half seriously , half sceptically.仗打起...
The cage smelled of excrement.笼子里粪臭熏人。Clothing can also become contaminated with dust, feathers, and excrement.衣着则会受到微尘 、 羽毛和粪便的污染.The pavement was covered in dogs'excrement.便道上满是狗屎....
这本书我从头到尾看过两遍.I've read the book twice from cover to cover.地已犁了两遍.The fields have been ploughed twice.教师连着讲了两遍.The teacher explained twice in succession....