陆生动物指在陆地生活的动物,绝大多数都呼吸空气。地下动物中,有些靠呼吸孔隙水中的溶解氧而生存的微小动物,亦属陆生动物。陆生动物为了适应陆地生活而呼吸空气、防止体内水分蒸发、支撑身体的运动、保护卵和幼体,以及氮素代谢的最终产物不是以氨态氮而是以尿素和尿酸态氮排出。
然而,一些小型陆生动物可以达到高速。
Still, some small terrestrial animals can achieve high speeds.
这似乎是合理的,但它仍然是一种理论,这个理论是基于我们对陆生动物的更全面的认识。
Plausible as this seems, it is still a theory and based on our more comprehensive knowledge of land-based animals.
尽管如此,后来还是有相当数量的完全陆生动物做出改变,离开了它们辛辛苦苦重新改造的陆地,并回到了水里。
Nevertheless, a good number of thoroughgoing land animals later turned around, abandoned their hard-earned terrestrial re-tooling, and returned to the water again.
So you have land being formed on day three, And on day six you have the creation of land animals.
我们看到土地在第三天形成,在第六天,我们看到了陆生动物的出现。
On day three, vegetation is produced, is created, And on day six humans are created after the creation of the land animals.
在第三天,植物产生了,被创造了,在第六天人类被创造了,在陆生动物被创造之后。
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