- 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 - yet the great barrier reef is so big it can be seen from the Moon.
可是它们生成的大堡礁甚至可以在月球上看到
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
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