单词:root-mean-squaredeviation
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Hundreds Dead and Injured in Iran Freight Train Explosion Kerry Sheridan Part of a runaway freight train exploded in northeastern Iran Wednesday. The full explode blast killed at least 200 people - mo
To shake a leg To pull one's leg 美国的成语和俗语,也和其他语言一样,有许多都是由身体各个部份的名称组成的。例如:To follow your nose是指
to pull your socks up to knock your socks off 许多美国成语或者习惯用语都是以各种衣服的名称来组成的。比如说,
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By Kurt Achin Seoul 22 November 2007 South Korea says it is about to start sending freight trains loaded with cargo on daily round trips into North Korea - the first regular North-South train traffic between the two Cold War enemies. VOA's Kurt Achin
我们上次学的习惯用语都有push也就是推这个词,而我们今天要讲的习惯用语却都有一个动作相反的词pull, 也就是拉。我们先要学两个习惯用语,它们分别是:pull for. Pull for是打气、鼓劲,或