They turned their telescopes towards other nearby galaxies.他们把望远镜转向附近其他星系。Quasars are the highly energetic cores of distant galaxies.类星体是遥远星系的极为活跃的核心体.We still don't know how many galaxies there are in the universe....
By measuring the motion of the galaxies in a cluster, astronomers can infer the cluster's mass.通过测量星系在一个星系团内的运动,天文学家们可以推定这个星系团的质量。They turned their telescopes towards other nearby galaxies...他们把望远镜转向附近其他星系。Space fli...
这种奢侈的滑石润肤露能使缺水的皮肤恢复柔软与弹性。This luxurious talcum lotion restores softness and suppleness to dehydrated skin.无枪炮或缺水的城市在大军围攻时是无法自卫的.A city without guns or water is defenseless before an army.缺水的严重性就更为明显了.The seriousness of w...
Furthermore, it is necessary to legalize habitation in civil law and to make it more concrete.更进一步的是, 很有必要通过民法实现居住权的私法化和具体化.This house would legalize the sale of organs.人体器官买卖应该合法化.Today in New Hampshire, the state Senat...