单词：triazines
n any of three isomeric compounds having three carbon and three nitrogen atoms in a six-membered ring
单词：triazines 相关文章
Newsman: The latest publishing craze which has taken off all over the world, is the publication of what have come to be known as 'zines, short, of course, for 'magazines'. However, unlike magazines, whose fortunes ebband flow, these thinner and less
202 Useful Exercises for IELTS
An industrial venture once celebrated as a symbol of reconciliation between the two Koreas may be endangered by a sharpening dispute between the two sides. North Korea is essentially tearing up the agreements that make the zone run. North Korea's of
VOA标准英语2009年(五月)
I'm the first to admit that I'm hooked on reading magazines. I've been this way as long as I can remember. I love picking up magazines about different topics. Currently, I subscribe to about six or seven magazines, although when I was getting profess
地道美语播客
Jurors in Australia's biggest terrorism trial found six Muslim men guilty of being members of an extremist group that plotted to wage what prosecutors called violent jihad in the city of Melbourne. Four other men have been acquitted of related charg
VOA标准英语2008年（九月）