因此北太平洋海獭的近乎绝灭，导致了海胆的大量繁殖，海胆随后毁掉了迄今维持着自身生态系统的巨藻林。
Thus the near extinction of sea otters in the northern Pacific led to a proliferation of sea urchins, which then laid waste an entire kelp forest that had hitherto sustained its own ecosystem.
这些北北东向和北东向断层形成一条巨长的转换断层系列，也是中国大陆板块东缘与菲律宾洋块的一条边界。
These NNE and ne faults become a long transform fault system and formed a boundary between the eastern margin of China Continental Plate and Philippine Sea Plate.
太平洋海岸图片。巨北斗七星过山车是明星的表演加州的圣克鲁斯海滩木板路。
The Giant Dipper roller coaster is the star of the show at California's Santa Cruz Beach Boardwalk.
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