单词:discoasts
单词:discoasts 相关文章
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The early Earths oceans were home to a lot of interesting chemistry. Now scientists have found that amino acids thought to be present way back when could have been cooked into other compounds vital for lifean idea you should take with a grain of salt
By Noel King Kigali 08 September 2007 Humanitarian aid groups are sounding the alarm as fighting in the eastern Democratic Republic of Congo forces tens of thousands of civilians from their homes in North Kivu Province. Noel King has more in this rep
Levee 堤 A levee is a system to control water levels. 堤是一种控制水位的系统。 When it rains a lot, floods can happen. 降雨很多时,就可能会发生洪水。 People build walls along rivers or coasts to prevent floods. 人们在河边
The oyster has a little mouth, a stomach, and other organs. It breathes like a fish by sucking air out of the sea-water with its gills; and it also gets its food out of the sea-water. 牡蛎有一张小口, 一个胃, 还有其他的器官。牡蛎的呼
BEIJING, Aug. 26 (Xinhua) -- Typhoon Tembin and Bolaven are moving towards China's coasts and will bring gales and storms there on Sunday, the country's meteorological authority has forecast. The year's 14th typhoon, Tembin, was in the northeast of t