单词：co-ordinate valence
[建] 配位价
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It was on a warm autumn day that my elder brother and I walked into Tsinghua Subordinate High School. The strong dry wind was quite different from that in my hometown, which is usually mild. After registering in the senior section, a teacher took me
发表于:2018-11-28 / 阅读(165) / 评论(0)
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Back from his globe-trotting trip to lay the groundwork for what he calls a new economic order, British Prime Minister Gordon Brown met with his Australian counterpart Kevin Rudd at Ten Downing Street Monday. Mr. Brown said world leaders are making
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The Importance of Physical Exercise Everyone hopes to live happily in the world. Physical exercise is indispensable to a happy life. There is a famous saying: Life lies on exercise. Although you will not necessarily die without regular physical exerc
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