cami119 2008-6-23 16:43
问蓝DELTA的TEST2第二篇中的一个句子,看不懂
The tide-generating forces of the moon and sun cause a maximum accumulation of the waters of the oceans at two opposite positions on the earth’s surface. At the same time, compensating amounts of water are drawn from all points 90 degrees away from these tidal bulges. 看不懂,尤其是后面一句。 B6{rU#~&o