单词：staurolite
prismatic crystals, often twinned so as to form groups resembling a
cross. It is a silicate of aluminia and iron, and is generally found
imbedded in mica schist. Called also granatite, and grenatite.
单词：staurolite 相关文章
This is IN THE NEWS in VOA Special English. This week marked Barack Obama's first month as president -- and his first major action as commander-in-chief. He approved seventeen thousand more troops for Afghanistan. The security situation is getting w
VOA慢速英语2009年（二）月
26After the plague the Lord said to Moses and Eleazar son of Aaron, the priest, 2Take a census of the whole Israelite community by families-all those twenty years old or more who are able to serve in the army of Israel. 3So on the plains of Moab by t
民数记
By Mike O'Sullivan Palmdale, California 06 September 2006 Engineers in the California desert are testing a new communications platform that blends modern electronics with old technology. Developers say a helium-filled balloon carrying high-tech equi
2006年VOA标准英语（九月）
By Delia Robertson Johannesburg 23 October 2007 South Africa's rugby world-champion, the Springboks, have returned home to a rapturous welcome following their victory over England at the Rugby World Cup in France. VOA's Delia Robertson reports from J
2007年VOA常速英语（十月）
Topics: Preventing Violence in Schools Post Columbine; American Territories: U.S. Virgin Islands; although versus even though; lite; rate versus rank Words: campus massacre outcast bullied minor to claim clique to retaliate Caribbean inhabitant exoti
美语听力 English Cafe
Because we can't see into the Earth, we have to use other techniques, which mostly involve reading waves as they travel through the interior. 我们无法看到地球的深处，因此不得不使用别的方法，主要包括观察波在地球内部的
万物简史