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这种叫作牙形刺的动物长有数排相互咬合的圆锥状利牙,像钉耙一样将猎物“耙”入口中。
The animals, called conodonts, possessed rows of sharp, interlocking cone-shaped teeth that raked prey into their mouths.
例如,最近的研究已表明,本应在发育结束后沉默的刺状分支信号,会在一些癌症细胞中被唤醒。
Recent work has shown, for example, that the signals that spur branching — which are typically silent once development is complete — are reawakened in some tumors.
它不像豪猪的刺或其它什么的,而是在表面上有尖状的突起,使这个器官起伏不平。
Not like porcupine needles or anything, but small pointy projections on the surface that basically make the organ bumpy.
There's an angler fish at the bottom of the ocean that has a rod sticking up from the top of its head with a lure to capture other fish to fool them in thinking that this is something edible and then to themselves be devoured.
在深海中生活着琵琶鱼,这种鱼的头顶会长出鱼竿状的长刺,用于引诱和捕获其他鱼类,让它们误认为那是食物,然后它们自己就被吃掉了。
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