They are semiaquatic, spending most of their time in and around the water.
它们属于半生动物,绝大部分时里和边。
Unlike Palaeocastor and its burrowing cousins, these animals were semiaquatic.
与 Palaeocastor 及其穴居近亲不同,这些动物是半生动物。
Others may have been semiaquatic, like modern-day hippos.
其他的可能是半生的,比如现代 河马。
Living sloths are surprisingly good swimmers and there were even large, semiaquatic sloths in the past.
现存出奇擅长游泳,过去甚至还有大型半生。
There's been some debate about what its niche was, but it might've been semiaquatic.
关于它的生态位是什么一直存争议,但它可能是半生的。
Which makes sense, because it was clearly built for a semiaquatic lifestyle.
这是有道理的,因为它显然是为半生生活方式而建造的。
And just like modern beavers, it was semiaquatic -- it lived both on the land and in the water.
就像现代海狸一样,它是半生的——它既生活陆上,也生活中。
And some of the " semiaquatic" beavers were probably good at burrowing as well as swimming, just like today's beavers are.
一些“半生” 海狸可能擅长打洞和游泳,就像今天的海狸一样。
Paleontologists think that the common ancestor of Castoroides and living beavers was a semiaquatic woodcutter that lived in the early Miocene 20 to 24 million years ago.
古生物学家认为,Castoroides 和现存海狸的共同祖先是生活 20 至 2400 万年前中新世早期的半生樵夫。
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