呼伦湖春、夏、秋季呈现轻度富营养化，冬季呈现中营养化。

The lake was slightly eutrophicated in spring, summer and autumn but moderately eutrophicated in winter.

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呼伦湖春、夏、秋季呈现轻度富营养化，冬季呈现中营养化。

The lake was slightly eutrophicated in spring, summer and autumn but moderately eutrophicated in winter.

youdao