英语听力：自然百科 大堡礁 堡礁内外(2)

This green turtle is a summer visitor.

这只绿海龟是夏季的访客。

She's travelled hundreds of kilometers across the ocean, and she's heading to the very beach where she was born.

她长途跋涉数百公里，远渡重洋，向着她出生的那个海岸奋力前进。

The turtle's come to lay her eggs, and she's not alone.

这只乌龟来到这里产蛋，她并不是孤身一人。

Out here on the edge of the reef, she's joined by thousands more female turtles.

到这里，就在大堡礁的边缘，她会发现有数千只雌龟在等着她加入。

They are all driven by the same instinct,to return home to nest.

它们被同样的本能驱使至此，回到诞生地繁衍后代。

It's the largest breeding population of green see turtles in the world.

这是世界上规模最大的绿海龟繁殖种群。

After her long journey, she takes a few days to rest and recover.

在长途跋涉过后，她需要花一些时间休息和恢复。

Butterfly fish provided cleaning service,cleaning away dead skin and parasites¹ acquired from many months in the sea.

蝴蝶鱼为其提供了清洁保养服务，清除掉身上的死皮和寄生虫，它们源于经年的海洋生活。

1 parasites   

寄生物( parasite的名词复数 )； 靠他人为生的人； 诸虫

参考例句：

• These symptoms may be referable to virus infection rather than parasites. 这些症状也许是由病毒感染引起的，而与寄生虫无关。
• Kangaroos harbor a vast range of parasites. 袋鼠身上有各种各样的寄生虫。