The crown of thorns starfish is a coral reef predator that preys on coral polyps.

刺冠海星是一种以珊瑚虫为食的珊瑚礁捕食者。

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Now let's focus on a specific example of a natural predator that can cause a lot of damage to coral reefs—the Crown of Thorns, or CoT starfish.

现在，让我们来看一个自然捕食者的具体例子，它会对珊瑚礁造成很大的伤害——那就是刺冠海星。

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He laid his hand gently on the crown of her head.

他把手轻轻地放在她的头顶后部。

《柯林斯英汉双解大词典》

"You shall not press down upon the brow of labor this crown of thorns.

VOA: special.2011.04.15

Forget the paltry crown of laurel placed atop the heads of great writers in the classical tradition.

忘记那些,伟大作家戴的没价值的传统桂冠。

耶鲁公开课 - 弥尔顿课程节选

I lucked into it but I'd certainly encourage everybody to get a little bit of a flavor of the people's side, the language of business, and the science. I think that's the let me call it "the triple crown of preparation."

我有幸进入这个行业，但是我经常鼓励,人们从他人的角度思考看看，思考商业语言和科学，之间的关联，我想这应该叫,“准备阶段的三重加冕“

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

The sad hammer of defeat on one side, the delicious crown of victory on the other.

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But remember that all that victors at Olympia win is a symbolic prize of a crown of wild olive.

BBC: Travelling to Olympia, now and in 480 BC

Ladies are asked to wear formal day dress with a hat covering the crown of the head.

BBC: Kitted out for Royal Ascot