The warm conditions encouraged algal blooms.

温暖的气候条件适合藻花生长.

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Such blooms not occur when nitrogen or phosphorus or both are present in very limited amounts.

当氮或磷或两者存在数量很少时,不出现这种藻花.

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He threw a stone at the center of the lake, which caused the water blooms.

他向湖中投了一颗石子, 藻花荡漾开来.

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