但是,最近北美的内陆水道、码头和淡水入口蔓生了一种原存于黑海区域的斑马蛤贝和白斑马蛤贝。
But recently the inland waterways, docks and fresh-water intakes of North America have been overrun by zebra and quagga mussels-species that originate from the area around the Black Sea.
他的研究对象是蛤,他正在制作蛤的仿生机器人以研究动物的贝壳对其生存机会的影响。
He works on clams and is building robot versions of them to find out how the shape of an animal's shell affects its chances of survival.
西里斯认为,霸占其他蛤类的卵就是亚洲蛤的生存之道。
It's this commandeering of other species' eggs that Hillis thinks is at the root of the clams' survival.
I don't want somebody opening up a clamshell with some hot food in it. It's not right. It's not right.
我不希望任何人打开一罐蛤壳,里面装着热的食物,这不对。
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