细碧—角斑岩系一般分为细碧岩 、 斑岩和石英角斑岩三类.Spilite - keratophyre sequence is generally divided into spilite, keratophyre and quartz keratophyre.东沟坝角斑岩中主要共生矿物组合为阳起石+绿泥石+绿帘石十绿纤石+钠长石.The major mineral association in keratophyre rocks from...
With this pool of slave labor, you can underbid any contractor in the city.有这些可怜的劳工, 你可比这城里的所有承包商出更低的价.A contractor was hired to drain the reservoir and to excavate soil from one area for replacement with clay.雇了一个承包商抽干水...
Use a reliable method of contraception.采用安全的避孕方法。She is known to have liberal views on divorce and contraception.众所周知，她在离婚与避孕方面思想很开明。to give advice about contraception就避孕方法提供咨询Contraception birth control by prevention of...
Here again is the song that Pavarotti has made his own.下面再次为您播放这首帕瓦罗蒂的标志性歌曲。He was absolutely mesmerised by Pavarotti on television.他完全被电视上的帕瓦罗蒂迷住了。Pavarotti was a famous opera singer.Pavarotti是一位著名的歌剧演唱家....