淡水

It is easier to swim in the sea than in the river, for salt water is heavier than fresh water.

在海里游泳比在河里容易，因为海水比淡水重。

A few billion years ago the oceans were full of freshwater, then were gradually turned saline by river borne salt.

几十亿年前，海里满是淡水，然后因逐渐融入含盐的河水而变咸。

This mixing of fresh and salt water creates a unique environment filled with life of all kinds—a transition zone between the land and sea.

盐水和淡水混合创造出了一个独特的环境，其中充满了各种生物——这是陆地和海洋的过渡区

This mixing of fresh and salt water creates a unique environment filled with life of all kinds—a transition zone between the land and sea.

淡水和盐水混合创造出一个独特的环境，其中充满各种生物。这是个陆地和海洋的过渡区。

With nearly a quarter of the world's population, but just 8% of its freshwater, China is the thirstiest nation on earth.

中国是世界上最缺水的国家，人口占世界的四分之一，可淡水却只有世界的8%。

Also we have some capacity to deliver fresh water, bottled water, tarpaulins and those kinds of things to assist people.

此外我们还有能力提供淡水、瓶装水、遮雨布等一些救援物资。

Protists occur in freshwater, saltwater, soil, and as symbionts within other organisms.

单细胞生物发生在淡水，盐水，土壤和作为在其他有机体之内的symbionts。

Small order of macroscopic fresh and brackish water algae with a distinct axis: stoneworts.

巨型的淡水或海水藻类的小目，有明显的轴；轮藻。

It is an alpine moraine lake, and is the biggest freshwater lake in the Indian Ocean drainage basin water systems in Tibet.

简要说明：藏东然乌湖属波密县帕隆藏布源头，海拔4200米，为冰碛堵塞的高山湖泊，也是西藏印度洋流域水系最大的淡水湖泊。

Therefore, these new discoveries have drawn increasing efforts worldwide to study the biology and biomineralization of sponge spicules and their bionic applications.

海绵是生长在海洋或淡水环境中的一种最简单的多细胞生物，3个主要海绵纲中有2个纲的海绵其主要骨架与支撑是玻璃纤维状的硅质骨针。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。