因为我们不确定海星数量增加的原因，所以要预防就很难了。

Bcause we aren't sure of the causes for starfish population increases, it's difficult to prevent them.

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我们不能决定海洋保护区的设立，但我们希望以我们的知识和经验作出积极的贡献。

We are not the ones to decide on the establishment of marine protected areas, but we hope to contribute positively with our knowledge and experience.

youdao

考虑到这一点，珀斯西澳大利亚大学的物理学家拉尔夫·拉梅斯认为，他可能已经发现了为什么鲸鱼只出现在一些特定海滩上。

With this in mind, Ralph lames, physicist at the University of Western Australia in Perth, thinks he may have discovered why whales turn up only on some beaches.

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