They are semiaquatic, spending most of their time in and around the water.
它们属于半生动物,绝大部分时间在里和边。
Unlike Palaeocastor and its burrowing cousins, these animals were semiaquatic.
与 Palaeocastor 及其穴居近亲不同,这些动物半生动物。
Others may have been semiaquatic, like modern-day hippos.
其他半生,现代 河马。
Living sloths are surprisingly good swimmers and there were even large, semiaquatic sloths in the past.
现存树懒出奇地擅长游泳,过去甚至还有大型半生树懒。
There's been some debate about what its niche was, but it might've been semiaquatic.
关于它生态位什么一直存在争议,但它半生。
Which makes sense, because it was clearly built for a semiaquatic lifestyle.
这有道理,因为它显然为半生生活方式而建造。
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,它半生——它既生活在陆地上,也生活在中。
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” 海狸擅长打洞和游泳,就像今天海狸一样。
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 和现存海狸共同祖先生活在 20 至 2400 万年前中新世早期半生樵夫。
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