評論
打印
But an unguarded chick is desperately vulnerable.
然而無人看管的雛鳥極其脆弱
It's what the frigate has been waiting for.
這就是軍艦鳥一直等待的機會
No wonder the crew of the Essex called them the Man of War birds.
也難怪艾薩克斯號的船員稱其為戰士鳥
For two weeks, the frigate birds keep up their relentless aerial assault
兩周以來，軍艦鳥持續發動無情的空襲
until finally the sooty tern chicks are old enough to get away.
直到烏燕鷗雛鳥長大可以自行逃脫
Tropical islands are an obvious magnet for life.
熱帶島嶼吸引著眾多的生靈
But things are just as busy underwater.
但是水面以下也同樣熱鬧
Deep currents collide with these islands,
深海洋流拍擊著這些島嶼
forcing small, but vital amounts of nutrients up from the depths.
使得少量至關重要的養分從海底深處上浮
At 50 metres deep, sea fans are amongst the first to benefit.
水深五十米處，柳珊瑚是最早的受益者之一。
