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1·It's a Chinese paddlefish known as king of all national freshwater fish.

它是一种中国白鲟，被誉为“全国淡水鱼之王”。

2·A paper from Science of the Total Environment shows that the largest freshwater fish in China might have gone extinct between 2005 and 2010. Wei Qiwei, author of the paper, said in September, 2019, some experts supposed that the first-class protected fish had been extinct already.

《整体环境科学》的一篇论文显示，中国最大的淡水鱼可能已经在2005年至2010年间灭绝了。2019年9月，该论文的作者危起伟表示，一些专家认为这种一级保护鱼类已经灭绝。

3·There are bright prospects for freshwater fish farming.

淡水养鱼大有可为。《新英汉大辞典》

4·The extraction process of nucleoprotein and protamine from freshwater fish spermary was studied.

研究淡水鱼精巢中的核蛋白和鱼精蛋白的提取工艺。

5·These fish could be categorized into four types, including estuarine fishes, marine fishes, diadromous fishes and of freshwater fishes.

这些鱼类分为4个主要生态类型，包括河口性鱼类、近海鱼类、江海洄游型鱼类和淡水鱼类。

6·European freshwater fish resembling the roach.

类似于斜齿鳊的欧洲淡水鱼。

7·Freshwater fish populations are in precipitous decline.

淡水鱼数量急剧下滑。

8·Monitoring of freshwater fish prices fluctuate slightly.

监测淡水鱼价格微幅波动。

9·Some freshwater fish such as pike can withstand levels of acidity.

一些诸如梭鱼等淡水鱼可以抵御相当程度的酸性。

10·Four of the world's 10 biggest freshwater fish migrate up the Mekong to spawn.

世界十大大型淡水鱼中有四种会迁移至湄公河产卵。