1297 篇文章
they must cross a narrow strip of water
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they must cross a narrow strip of water 它们必须穿越一片狭窄的水域

but they share these waters with a shark twice their size.
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but they share these waters with a shark twice their size. 不过还有2倍于它的鲨鱼 在和它们一起分享这片水域

They're the largest of all the stingrays, and they have appetites to match.
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They're the largest of all the stingrays, and they have appetites to match. 它是世界上最大的一种? 与之相称的还有它的胃口

Within a few days they develop spots of pigment which, when they're adult, they will use to communicate with one another.
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Within a few days they develop spots of pigment which, when they're adult, they will use to communicate with one another. 几天后它们长出一些色斑 等到成熟后,就可以用这些色斑来互相联系

and they lay their egg capsules in sandy shallows bathed by the warmer Agulhas Current.
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and they lay their egg capsules in sandy shallows bathed by the warmer Agulhas Current. 它们在厄加勒斯暖流经过的砂质浅海处产卵

but in Southern Africa they're so big they create seas rich enough to support colonies of over a million seals.
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but in Southern Africa they're so big they create seas rich enough to support colonies of over a million seals. 不过在南部非洲的大洋流带来的 充足食物能满足百万只海豹的需要

and they can grow by half a meter a day.
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and they can grow by half a meter a day. 它们每天还能长半米

They break up the shoals into smaller, more manageable balls, and all the hunters benefit.
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They break up the shoals into smaller, more manageable balls, and all the hunters benefit. 它们将鱼群分成许多小群, 让猎人们更加易于处理.

Sea lions have all the agility and speed needed to collect what they want
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Sea lions have all the agility and speed needed to collect what they want 海狮拥有捕鱼所需的敏捷和速度

They too flourish in this seasonal soup
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They too flourish in this seasonal soup 它们也在这个季节性美汤里蓬勃生长