单词：naphthenoaromatic hyrocarbon
单词：naphthenoaromatic hyrocarbon 相关文章
If you've gone shopping for a car lately, you might have noticed that fuel economythe number of miles per gallonis creeping up. One reason is a more efficient type of fuel injection, called gas direct injection. Its a feature of half the new cars sol
2016年Scientific American(八)月
Rather than a physical image of God or of Muhammad, it is the beauty of the Koran itself that is celebrated in Islam. Islam developed in this context where pictures were not favored. The Koran, as it was revealed, was Gods representation on earth, an
英语听力：文化博览2008年
And that is the beginning of the prophetic career of Muhammad. The months to come would bring more revelations, powerful words of a lyrical quality, more beautiful than the most exquisite Arabic poetry. Above all, Muhammad was to bear one message to
英语听力：文化博览2008年
This is not something that is fly-by-night. This is something big and important. Islam has come to stay. In just a hundred years, Muhammads vision had transformed the spiritual and political map of the world. And his followers had established an empi
英语听力：文化博览2008年
Praying together is a good thing. It cements the idea of belonging to a movement, to a religion, to an organization, to a community. The result is something very, very powerful, even to watch, even for a non-believer or someone from another religion.
英语听力：文化博览2008年
In Cairo, a muezzin calls faithful Muslims to prayer. Its the same call that sounds five times a day every day in cities across the world. Nearly a quarter of the people on earth respond to it, bound together by the enduring spirit of Islam. ''God is
英语听力：文化博览2008年