Horsehead Nebula: New stars have already formed inside part of it.马头星云: 新的?星已经在其内部形成了.Directly below Alnitak, a close inspection will reveal the Horsehead Nebula.经过仔细查看就可以发现紧挨着参宿一的下方就是马头星云.Light takes about 1500 years to...
Brooke was arrested and subsequently sentenced to five years'imprisonment.布鲁克被逮捕,其后被判五年监禁.Mr Brooke moved on from Paris to Belgrade.布鲁克先生离开巴黎，继续前往贝尔格莱德。Brooke was arrested and subsequently sentenced to five years’ i...
或许是因为那辆汽车跟得太紧，他才加速的。Perhaps the fact that the car was tailgating him made him accelerate.加速的通货膨胀引起人们强烈关注。The accelerating inflation was cause for great concern.用加速的氘核来打击靶将不起作用.Accelerated beams of deuterons bombarding a ...