单词：RAS
n an intensely radioactive metallic element that occurs in minute amounts in uranium ores
n ancient Egyptian sun god with the head of a hawk; a universal creator; he merged with the god Amen as Amen-Ra to become the king of the gods
n (astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere
- reticular activating system网状活化系统,网状激活系...
单词：RAS 相关文章
Mardi Gras is French for Fat Tuesday. It is the name of a celebration that takes place on the day before Ash Wednesday, which marks the beginning of the 40-day period of Lent. Mardi Gras is the final day of a three-day period, which starts on the Sun
英语课程学习计划和讲义
By Greg Flakus Washington, DC 28 February 2006 watch Carnival Cleanup report Carnival Cleanup The Carnival season has drawn thousands of people to the streets of New Orleans over the past week. The ce
2006年VOA标准英语（二月）
By Greg Flakus New Orleans 19 February 2006 A float in New Orleans' Mardi Gras parade The first major parades of the Mardi Gras season rolled through the streets of New Orleans Saturday. The celebrati
2006年VOA标准英语（二月）
NAIROBI, Feb. 8 (Xinhua) -- Berlin marathon champions Geoffrey Mutai and Dubai marathon silver medalist Lucy Kabuu will headline the elite field at this year's RAK Half-Marathon in the United Arab Emirates. The event, seventh edition, which will be r
英语新闻
By Greg Flakus Houston 21 February 2007 The annual carnival celebration known as Mardi Gras came to an end in New Orleans Tuesday with parades and parties. Crowds were much larger than last year and local officials say this has helped the city's eff
2007年VOA标准英语（二月）
-Mardi Gras is a traditional holiday celebrated in many of the southern states of the USA. The most famous celebration takes place in New Orleans, Louisiana. The people there enjoy this celebration by going to parades where they catch beads, doubloon
阅读空间
Around the world, women are far more likely than men to be poor, ill-housed, under-educated and victimized by war and discrimination. To help women help themselves and their communities, the Global Fund for Women, or GFW, a San Francisco-based organ
VOA标准英语2008年（七月）