纪录片《我们的地球》 第238期 偏远岛屿(09)

The surrounding sea, however, is particularly rich with life.

然而环岛的海中却孕育着丰富的生命。

And the frontier between these two very different worlds is the home of one of the strangest of reptiles¹.

而这两个不同世界的交界处生活着最奇异的爬行动物。

Seagoing iguanas². They are vegetarians³,

海鬣蜥。它们是素食者，

but since there's little food for them on the land, marine⁴ iguanas graze on the sea floor.

但由于岛上没有能吃的食物，所以海鬣蜥以海底的植物为食。

A big male like this one can dive to 30 metres and hold his breath for half an hour.

这种体型的雄性海鬣蜥可潜到水下三十米，屏住呼吸长达半小时。

There are more than 7,000 individuals on Fernandina alone.

仅在费尔南迪纳岛上就有超过七千只海鬣蜥。

And by bringing nutrients⁵ from the sea to the land,

它们往返近海获取食物养活自己，

the iguanas help other animals to survive here, too.

同时还帮助了其它动物在此生存。

Crabs⁶ feed on dead skin on the iguana's back,

红石蟹以海鬣蜥背上的死皮为食，

and, in turn, provide a welcome exfoliation service.

反过来也热情地为它们提供去角质服务。

While smaller lizards⁷ prey⁸ on the flies that pester⁹ the colony.

小型蜥蜴还捕食纠缠海鬣蜥的苍蝇。

1 reptiles   

n.爬行动物，爬虫( reptile的名词复数 )

参考例句：

• Snakes and crocodiles are both reptiles. 蛇和鳄鱼都是爬行动物。 来自《简明英汉词典》
• Birds, reptiles and insects come from eggs. 鸟类、爬虫及昆虫是卵生的。 来自《现代汉英综合大词典》

2 iguanas   

n. 美洲蜥蜴 名词iguana的复数形式

参考例句：

• Galapagos land iguanas belong to the genus Conolophus, of which there are currently three recognised species. 加拉帕戈斯陆栖鬣蜥属于鬣蜥属，其中目前得到确认的有三个物种。
• Feral cats in the region could be eating eggs and young iguanas, Gentile speculates. 这一区域的野猫可能正在吃鬣蜥蛋及其幼崽，金泰尔猜测。

3 vegetarians   

n.吃素的人( vegetarian的名词复数 )；素食者；素食主义者；食草动物

参考例句：

• Vegetarians are no longer dismissed as cranks. 素食者不再被视为有怪癖的人。
• Vegetarians believe that eating meat is bad karma. 素食者认为吃肉食是造恶业。

4 marine   

adj.海的；海生的；航海的；海事的；n.水兵

参考例句：

• Marine creatures are those which live in the sea. 海洋生物是生存在海里的生物。
• When the war broke out,he volunteered for the Marine Corps.战争爆发时，他自愿参加了海军陆战队。

5 nutrients   

n.（食品或化学品）营养物，营养品( nutrient的名词复数 )

参考例句：

• a lack of essential nutrients 基本营养的缺乏
• Nutrients are absorbed into the bloodstream. 营养素被吸收进血液。 来自《简明英汉词典》

6 crabs   

n.蟹( crab的名词复数 )；阴虱寄生病；蟹肉v.捕蟹( crab的第三人称单数 )

参考例句：

• As we walked along the seashore we saw lots of tiny crabs. 我们在海岸上散步时看到很多小蟹。 来自《简明英汉词典》
• The fish and crabs scavenge for decaying tissue. 鱼和蟹搜寻腐烂的组织为食。 来自《简明英汉词典》

7 lizards   

n.蜥蜴( lizard的名词复数 )

参考例句：

• Nothing lives in Pompeii except crickets and beetles and lizards. 在庞培城里除了蟋蟀、甲壳虫和蜥蜴外，没有别的生物。 来自辞典例句
• Can lizards reproduce their tails? 蜥蜴的尾巴断了以后能再生吗？ 来自辞典例句

8 prey   

n.被掠食者，牺牲者，掠食；v.捕食，掠夺，折磨

参考例句：

• Stronger animals prey on weaker ones.弱肉强食。
• The lion was hunting for its prey.狮子在寻找猎物。

9 pester   

v.纠缠，强求

参考例句：

• He told her not to pester him with trifles.他对她说不要为小事而烦扰他。
• Don't pester me.I've got something urgent to attend to.你别跟我蘑菇了，我还有急事呢。