纪录片《南太平洋》 第79期 无尽深蓝（13）

But an unguarded chick is desperately¹ vulnerable.

然而无人看管的雏鸟极其脆弱

It's what the frigate² has been waiting for.

这就是军舰鸟一直等待的机会

No wonder the crew of the Essex called them the Man of War birds.

也难怪艾萨克斯号的船员称其为战士鸟

For two weeks, the frigate birds keep up their relentless³ aerial assault

两周以来，军舰鸟持续发动无情的空袭

until finally the sooty tern chicks are old enough to get away.

直到乌燕鸥雏鸟长大可以自行逃脱

Tropical islands are an obvious magnet for life.

热带岛屿吸引着众多的生灵

But things are just as busy underwater.

但是水面以下也同样热闹

Deep currents collide with these islands,

深海洋流拍击着这些岛屿

forcing small, but vital amounts of nutrients⁴ up from the depths.

使得少量至关重要的养分从海底深处上浮

At 50 metres deep, sea fans are amongst the first to benefit.

水深五十米处，柳珊瑚是最早的受益者之一。

1 desperately   

adv.极度渴望地，绝望地，孤注一掷地

参考例句：

• He was desperately seeking a way to see her again.他正拼命想办法再见她一面。
• He longed desperately to be back at home.他非常渴望回家。

2 frigate   

n.护航舰，大型驱逐舰

参考例句：

• An enemy frigate bore down on the sloop.一艘敌驱逐舰向这只护航舰逼过来。
• I declare we could fight frigate.我敢说我们简直可以和一艘战舰交战。

3 relentless   

adj.残酷的，不留情的，无怜悯心的

参考例句：

• The traffic noise is relentless.交通车辆的噪音一刻也不停止。
• Their training has to be relentless.他们的训练必须是无情的。

4 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》