The occurrence of malodor has obvious seasonal.恶臭的发生具有明显的季节性。The typical K - F reagent has disadvantage of high poisonousness and pyridine malodor.经典K-F试剂缺点是毒性大,且具有吡啶的恶臭.The criteria for malodor evaluation usually used i...
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'...