单词：triazane
音标：['traiәzi:n] ；
三氮烷
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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
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VOA标准英语2009年(五月)
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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
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