单词：drosophila (drosophila) taipinsanensis
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在今天我们要讲的两个习惯用语里，一个关键的字就是：pin。Pin这个字单独用的时候可以解释为：别针。但是，pin这个字也有不少和其他字合在一起用的时
美国习惯用语
ROME, Dec. 3 (Xinhua) -- Italy lacks the necessary energy(能量,活力) and strength for an economic revival while unemployment and poverty are on the rise, warned a report issued Friday. The 44th edition of the Censis think tank social survey, the
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By Bill Rodgers Washington 10 March 2008 Policymakers often view economic sanctions as an attractive middle option between doing nothing, or intervening directly to change an intractable government's behavior. But sometimes providing the 'carrot' of
VOA标准英语2008年（三月）
You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为，世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西
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Artefacts from the Bronze Age - dating back as much as 4,000 years - have been discovered in Sichuan Province, in southwestern China. Artefacts from the Bronze Age have been discovered in Sichuan Province, in southwestern China. Found in Jian'tai Vil
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