单词：diphenyl diketone
单词：diphenyl diketone 相关文章
President Barack Obama and his Treasury Secretary Timothy Geithner officially unveiled the administrations latest revamping of its financial rescue package today. Speaking to build as a three-prompt effort to draw private investors into a partnershi
2009年NPR美国国家公共电台3月
Hello to you, Im Creshon Saunders at the CNN.com newsroom in Atlanta. Here's a look at what is happening NOW IN THE NEWS. First up, some good news for you this Sunday, a slow decline to the icy waters in the North Dakota's Red River. The National We
CNN2009年(三)月
由于环境原因，世界上很多旅游景点在将来的某一天可能会消失，意味着没有看过那些景点的我们以及我们的后代都再也无法看到了，你知道世界上快要消失的著名景点有哪些吗？请看下面的
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由于方言发音的不同，在中文中存在元音辅音音变的情况。 例如'一个人'的发音 普通话：一个ren 东北：一个yin 南昌：一个len 四川：一个zen 长沙：一个nin 广州：一个yen 湖南与福建f-h不分。湖
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BEIJING, June 3 (Xinhua) -- The national flood and drought prevention office has warned that severe floods are more likely to occur this year due to markedly increased rainfall, according to Sunday media reports. Floods may cause greater damage this
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The Dikes 堤防 A day at a beach on the North Sea. Kathy and Evan see their first dikes. 北海海滩一日游。凯西和艾凡毕生第一次看到堤防。 K:It's really heavenly here. It's not hot at all. 凯西：这里真是人间天堂。天气
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