Flippers may indeed be a necessary response to aquatic life, turtles, whales, and dugongs also have them.

鳍状肢可能确实是水生生物的必要反应，海龟、鲸鱼和儒艮也有鳍状肢。

youdao

They contended that land animals that began to adapt to aquatic life would soon be neither fowl nor fish, incapable of surviving in either medium.

他们认为，开始适应水生生活的陆地动物很快就会变成既不是鸟也不是鱼，无法在任何一种环境中生存。

youdao

Pumping this supersalty water back into the ocean can harm local aquatic life.

如果把这些高含盐的废水排入大海，那么本地的水生作物会受到严重伤害。

youdao

The researchers' work, published in the journal Science, highlights the "previously underappreciated effects" of psychiatric medications in wastewater on aquatic life.

WSJ: Anxiety Drug in Rivers Affects Fish Behavior

This nutrient enrichment damages aquatic life there too, and degrades drinking water.

ECONOMIST: Nutrient pollution

Runoff is the source for all human diversions or withdrawals for irrigation, industry, municipal uses, navigation, dilution, hydropower, and maintenance of aquatic life including fisheries.

FORBES: Is Water A Better Investment Than Oil?