1.
pike-like freshwater perches.
貌似长矛的淡水河鲈。
2.
Salmon are anadromous.
鲑是由海移栖淡水河产卵的。
3.
The Raccoon is a wide, fresh-water river in west-central Iowa.
阮昆河是爱荷华州的西面中部一条宽阔的淡水河。
4.
It is the third longest river in the world after the Amazon in South America and the Nile in Africa.
它被列为世界第三大淡水河，仅次于南美的亚马逊河以及非洲的尼罗河。
5.
River water is fresh, but sea water is salt.
河水是淡的，但海水是咸的。
6.
Karyotype Study on the Freshwater Planarian (Dugesia sp.) in Tongshan Lake of Henan Province
河南省铜山湖淡水三角涡虫核型研究
7.
Trend of Seawater Desalination Industrialization in Hebei Province
河北省海水淡化产业化发展态势分析
8.
The mouth of the river is dammed and a freshwater lake created behind the dam.
河口筑起了拦河坝，坝后便形成了淡水湖。
9.
the wide part of a river where it nears the sea; fresh and salt water mix.
河流中靠近海的宽阔部分；此处淡水和咸水交汇。
10.
Fresh-water lakes and streams furnish nearly all of our surface water supplies.
我们所用的地表水几乎全由淡水湖和河流供给。
11.
It is widely believed that froth water will never be used up because we can get it from rain, rivers and wells.
人们以为淡水是取之不尽的，因为我们可以从雨水、河水和井水中得到淡水。
12.
PLEISTOCENE FRESHWATER PELECYPODS FROM WUHOHSIEN,NORTHERN ANHWEI
安徽五河县戚咀第四纪淡水斧足类化石
13.
freshwater catfish of the Nile and tropical central Africa having an electric organ.
尼罗河及中非热带淡水鲶鱼，有发电组织。
14.
bottom-dwelling freshwater turtle inhabiting muddy rivers of North and Central America.
北美和中美栖息在泥泞的河底的淡水龟。
15.
Discussion of the Sustainable Development of Fishing Industry in Tarim River Basin;
塔里木河流域淡水养殖业可持续发展思考
16.
Migrating up rivers from the sea to breed in fresh water. Used of fish.
溯河产卵的从海洋向上游到河流中，并在淡水中产卵
17.
In the west, where the fresh water influence is greatest, the environment is estuarine and the water is brackish.
西部水域受淡水影响最大，属河口湾环境，水质微咸。
18.
the largest lake in Africa and the 2nd largest fresh water lake in the world; a headwaters reservoir for the Nile River.
非洲最大的湖，世界上第二大的淡水湖；是尼罗河的上游水库。