Recently unearthed fossils trace whales to a doglike predecessor of hoofed plant-eaters, and genetic analysis has identified hippos as whales' closest living relatives.
最近出土的化石使鲸的祖先可追溯到一种有蹄外形像狗的植食动物,而且基因分析证实了现存动物中河马是鲸的近亲。
Horses, a hoofed mammal, are another example of animals that were domesticated a long time ago.
马,一种长有蹄子的哺乳动物,在很久之前也被人类驯化了。
Any of several hoofed mammals of the genus Equus, resembling and closely related to the horses but having a smaller build and longer ears, and including the domesticated donkey.
一种有蹄哺乳动物马属,外貌与马相似有亲缘关系,但个子小耳朵长,包括驯养的驴。
Experts agree that hippos belong to the mammalian order artiodactyla, a group of even - toed, hoofed creatures whose extant representatives include camels, pigs and ruminants such as cows.
哺乳纲中的偶蹄目动物,是因四肢的蹄为偶数而得名,现存于世界上的包括了牛这类反刍动物,以及骆驼和猪等。
More wolves, they argue, would result in fewer hoofed mammals which in turn would lead to greater plant biomass and diversity.
他们认为增加狼的数量,可以减少有蹄类哺乳动物的数目,以此来提高单位面积内生物数量以及生物多样化。
A hoofed mammal of the order Perissodactyla.
哺乳是哺乳动物的本能。
The highly infectious foot-and-mouth disease can affect cloven - hoofed animals including pigs, sheep and goats, while humans are hardly affected by the virus.
口蹄疫疾病具有高度传染性,它可以感染所有有蹄类动物,包括猪和羊,但是人类不容易被病毒感染。
A supporting bone of the leg in some hoofed mammals, analogous to the metacarpus of the hand or the metatarsus of the foot in human beings.
某些哺乳动物的腿部起支撑作用的骨头,相当于人类手中的掌骨或足部的跖骨。
Unlike other hoofed mammals, zebras and their horse relatives have only one toe on each foot.
不像其他有蹄子的哺乳动物,斑马和其他马科动物的每只脚上都只有一个脚趾。
Of or relating to certain hoofed mammals, such as horses and rhinoceroses, of the order Perissodactyla, that have an uneven number of toes .
属于或关于某种带蹄哺乳动物的,如马和犀牛,有奇数个脚趾的踩着某人的脚趾。
Experts agree that hippos belong to the mammalian order artiodactyla, a group of even - toed, hoofed creatures whose extant representatives include camels, pigs and ruminants such as cows.
他们的结果证明,在现生哺乳类中,鲸豚与偶蹄类最亲近;骆驼、河马、猪及牛羊等反刍动物都属于偶蹄类。
The bison is a hoofed animal with a humped back and long, coarse hair.
野牛是有蹄动物,背部有隆肉,毛粗而长。
In such situations, the forests become suitable for large hoofed plant-eaters to move around and for small plant-eaters to get their food as well.
在这种情况下,森林也就变得适合大型有蹄类食植动物的迁移,也使得小型食植动物能够找到丰富的食品。