所有的恒星都会发出光和热.All the stars send out light and heat.这样的天体本身也可能发出光, 但是它的重力最后还是会把光吸引回去.Light itself could leave from such an object, but gravity would eventually pull it back again.脉冲星是一种能够发出光脉冲的天体.A pulsar is a celestial o...
There are additional publications of special relevance to new graduates.还有对于新毕业生来说特别重要的其他出版物。I can't see the relevance of his comment to the debate.我不明白他的评论与这一争论有何关系.She did not understand the relevance of his remar...
The architect specified oak for the wood trim.那位建筑师指定用橡木做木饰条.It is generated by some specified means.这是由某些未加说明的方法产生的.Tickets must be bought seven days in advance, with outward and return journey dates specified.购票需提前7天，并...