- The mother will be trapped here for the next five months
母座头鲸接下来要困在这里大约5个月 - until her calf is strong enough to make the journey to the feeding grounds, near the poles.
等到小鲸足够强壮了,才开始到极地进食点的旅行 - Coral reefs are oases in a watery desert.
珊瑚礁是荒凉海洋中的绿洲 - Most tropical shallows are barren
多数热带浅海比较荒凉 - but these coral havens contain one quarter of all the marine life on our planet.
不过珊瑚礁汇聚着地球上四分之一的海洋生物 - Reefs are the work of polyps
珊瑚礁是珊瑚虫的产物 - tiny colonial animals like minute sea anemones
一种象小海葵的有机生命群体
Most tropical shallows are barren 多数热带浅海比较荒凉
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