They also found that the water became well aerated and that populations of important food-chain insects such as mayflies, stoneflies and caddisflies grew.

他们也发现河水的通气性良好，重要的食物链昆虫像是蜉蝣、石蝇和石蛾的族群数都增加了。

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They also found that the water became well aerated and that populations of important food-chain insects such as mayflies, stoneflies and caddisflies grew.

他们也发现河水的通气性良好，重要的食物链昆虫像是蜉蝣、石蝇和石蛾的族群数都增加了。

youdao