UN Secretary-General Ban Ki-moon’s message for World Oceans Day 8 June, 2010 联合国秘书长潘基文2010年世界海洋日致辞 2010年6月8 日 Oceans play a key role in our daily lives. They are integral to sust
征收三篇关于海洋的英语短文：Because water is not perfectly transparent, almost all sunlight is absorbed in the surface layer, which heats up. Wind and waves circulate the water in the surface layer, distributin
It is so salty that you can't sink when you are in the water! And fish cannot live in it!海洋英语作文初中2 Marine biological environment is a complex system including sea water, sea water, soluble m
volcanoes are the ultimate earthmoving machinery. A violent eruption can blow the top few kilometres off a mountain, scatter fine ash practically all over the globe and hurl rock fragments into the stratosphere
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