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...
The book of Leviticus, in the Bible, tells us about religious law.圣经中的《利未记》向我们讲了有关宗教的法律.Nine times these words are repeated in Leviticus.在利未记里这些话反复述说了有九次之多....
Transmission of Norwalk virus is through the fecal - oral cycle.诺瓦克病毒的传染是通过粪口循环.One of the ways the parasite spreads is through fecal matter.寄生虫传播的一种方式是通过排泄物。Waste material , especially fecal matter, that is expelled fro...
By the time he's twenty he'll know everyone worth knowing in Washington.到20岁时，他就会认识华盛顿所有值得认识的人。Any coach worth his salt would do exactly as I did.任何称职的教练都会采取和我一模一样的行动。The directors of this company feel he'...