There are dangers in the form of heavy metals found in fish.
食用受重金属污染的鱼类有一定的危险。
If we can do this immediately we will see a decline in fish catches.
如果我们能立即采取行动我们将减少捕捞次数。
But exactly how common such“horizontal” gene transfer is in fish remains to be seen.
不过这种在鱼类身上发生的“横向”基因转移究竟有多频繁仍然有待观察。
In the wild, this fish can reach a weight of 5lbs.
这种鱼在自然生存环境中可以长到5磅重。
You need a licence to fish in this river.
你在这条河里钓鱼要有许可证。
They were standing in the river spearing fish.
他们站在河里叉鱼。
These fish are found in shallow waters around the coast.
这些鱼生长在海边浅水水域。
Some fish scavenge on dead fish in the wild.
在大自然中，有的鱼以死鱼为食。
我慢慢地收卷鱼线，将鱼拉过来。
The gull held the fish in its beak.
海鸥嘴里叼着鱼。
Have any fish been contaminated in the Arctic Ocean?
北冰洋里有鱼受到污染了吗?
This fish has a lot of bones in it.
这种鱼多刺。
There's a mess of fish down there, so get your lines in the water.
那底下有很多鱼，快下钩吧。
There are about 30 000 species of fish in the world.
世界上约有3万种鱼。
鱼在池塘里游泳。
Fish live in rivers and lakes.
鱼住在河里和湖里。
When they stopped, they had lunch in a fish restaurant because John was starving.
当他们停下来时，他们在一家吃鱼的餐馆吃午饭，因为约翰饿了。
There are so many fish swimming in the pool.
池子里有这么多的鱼在游泳。
Even the nice fresh pure spring water, birds and fish poop in it.
即使是新鲜纯净的好泉水，鸟和鱼也在里面排便。
The stream has frozen up; you can see the fish trapped in the ice.
小河冻起来了，你可以看见冻在冰里的鱼。
We have found plastic in the ocean and in animals like birds, fish and whales.
我们在海洋和鸟类、鱼类和鲸鱼等动物体内发现了塑料。
"Go home, then," said the fish, "she is in the cottage already!"
“那么，回家去吧，”鱼说，“她已经在小别墅里了！”
There are some fish in the fishing net.
渔网里有鱼。
Alex was wondering why the fish in the jar refused his bread and butter.
亚历克斯想知道为什么罐子里的鱼拒绝了他的面包和黄油。
Daddy helps me slowly reel in the fish.
爸爸帮助我慢慢地把这条鱼钓上来。
Doctors issued a warning against eating any fish caught in the river.
医生发出警告不要吃在那条河里捕的鱼。
The fish were flopping around in the bottom of the boat.
鱼在船底扑腾。
You can fish for trout in this stream.
你可以在这条小溪钓鳟鱼。
Fish take in oxygen through their gills.
鱼用鳃吸取氧气。
Fish take in oxygen through their gills.
鱼用鳃吸取氧气。
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