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词汇 Freshwater animals
分类 英语词汇 英语翻译词典
释义

Freshwater animals

原声例句
传说之境

Like some giant tortoises that can reach near 200 years and some small freshwater animals of the genus Hydra that appear not to age at all.

像一些巨型龟的寿命能活到将近两百岁，还有一些水螅属的淡水小动物，它们看起来一点也没有走向衰老的痕迹。

SciShow 合集

And hydra – the squishy tube-shaped freshwater animal, not the mythological sea serpent or Marvel villain – are really, really good at it.

九头蛇——一种柔软的管状淡水动物，而不是神话中的海蛇或漫威反派——真的非常擅长。

英语百科

Fresh water

Earth seen from Apollo 17 — the Antarctic ice sheet at the bottom of the photograph contains 61% of the fresh water, or 1.7% of the total water, on Earth.
The surface of a fresh water lake.
Visualisation of the distribution (by volume) of water on Earth. Each tiny cube (such as the one representing biological water) corresponds to approximately 1000 cubic km of water, with a mass of approximately 1 trillion tonnes (200000 times that of the Great Pyramid of Giza or 5 times that of Lake Kariba, arguably the heaviest man-made object). The entire block comprises 1 million tiny cubes.[1]
Water fountain found in a small Swiss village. They are used as a drinking water source for people and cattle. Almost every Alpine village has such a water source.

Fresh water is naturally occurring water on Earth's surface in ice sheets, ice caps, glaciers, icebergs, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams. Fresh water is generally characterized by having low concentrations of dissolved salts and other total dissolved solids. The term specifically excludes seawater and brackish water although it does include mineral-rich waters such as chalybeate springs. The term "sweet water" (from Spanish "agua dulce") has been used to describe fresh water in contrast to salt water. The term fresh water does not have the same meaning as potable water. Much of the surface fresh water and ground water is unsuitable for drinking without some form of purification because of the presence of chemical or biological contaminants.
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