双语:地球深处发明“年夜洋”面积相称于北冰洋 Scientists scanning the deep interior of Earth have found evidence of a vast water reservoir beneath eastern Asia that is at least the volume of the Arc... /
2010-06-08 / 查看
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Brisbane (Australia) Brisbane is Australia's third largest city and the state capital of Queensland(昆士兰州)。 Not so long ago, the rest of Australia considered it little more than an overgrown... /
2010-06-08 / 查看
10 次
大众英语80篇背诵阅读带翻译(十八) "36 Plate Tectonics and Sea-floor Spreading The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the ... /
2010-06-08 / 查看
450 次