- By midsummer, the surface nutrients have all been absorbed.
直到夏至 海洋表面的养分全部被摄取 - The algae die and the food chain collapses.
藻类死亡 食物链因此崩溃 - In a few special places, however
然而在少数特别的地方 - the temperate seas sustain these levels of life throughout the summer.
气候温和的海域维持这个生命水平贯穿整个夏季 - Along the coast of California, ocean currents carry a constant supply of nutrients up from the depths to the surface layers.
在加利福尼亚沿海,洋流持续不断的把养分从海底 带到海平面上来 - These upwellings fertilize forests of giant kelp, that thrive in the summer sunshine.
这种上升洋流给巨藻带来了大量养分 在夏日阳光照射下它们飞速生长 - The algal towers are as high as a three story house
这片巨藻林有足有三层楼那么高
the temperate seas sustain these levels of life throughout the summer. 气候温和的海域维持这个生命水平贯穿整个夏季
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