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英语听力:自然百科 大堡礁 堡礁内外(25)

时间:2020-07-09 08:30:56

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(单词翻译)

With such threats, it's a wonder the reef has any future at all but it does have a chance,for the reef has a neat way to help itself recover and it's evident for just one week in late spring.

因为这样的威胁,珊瑚礁是否有未来还是个疑问 但是它有一个机会,珊瑚礁有一种方法自我恢复,它显然只有在晚春的一周。

A few days after a full moon,each hard coral species, along the entire reef,spawns at the same time, on the same night.

在满月后几天,沿着整个珊瑚礁的每种石珊瑚,在同一个夜晚同一时间产卵。

Eggs and sperm1 unite to form free-swimming larvae2.

卵子和精子结合形成了自由游动的幼虫。

Smaller than a pinhead, a coral larva is a like a space capsule.

比针头还小的珊瑚幼虫就像太空胶囊。

It floats away on the current and seeks a new place to grow.

它随着水流游走寻找一个能生长的新地方。

Some larvae travel no more than a few metres others drift thousands of kilometres across the ocean,depending on where the current takes them.

有的幼虫游不过几米,其他的能漂流过海几千公里,这都依赖于水流把它们带到哪。


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1 sperm jFOzO     
n.精子,精液
参考例句:
  • Only one sperm fertilises an egg.只有一个精子使卵子受精。
  • In human reproduction,one female egg is usually fertilized by one sperm.在人体生殖过程中,一个精子使一个卵子受精。
2 larvae w2CxP     
n.幼虫
参考例句:
  • Larvae are parasitic on sheep.幼虫寄生在绵羊的身上。
  • The larvae prey upon small aphids.这种幼虫以小蚜虫为食。

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