| 单词 | vole | ||||||
| 释义 | volevole 1V0140200 (vōl)vole 2V0140200 (vōl)vole(vəʊl)vole(vəʊl)vole1(voʊl)n. vole2(voʊl)n.
volevole,name for a large number of mouselike rodentsrodent,member of the mammalian order Rodentia, characterized by front teeth adapted for gnawing and cheek teeth adapted for chewing. The Rodentia is by far the largest mammalian order; nearly half of all mammal species are rodents. ..... Click the link for more information. , related to the lemmingslemming, name for several species of mouselike rodents related to the voles. All live in arctic or northern regions, inhabiting tundra or open meadows. They frequently nest in underground burrows, particularly in winter, although they do not hibernate. ..... Click the link for more information. . Most range in length from 3 1-2 to 7 in. (9–18 cm) and have rounded bodies with gray or brown coats, blunt muzzles, small ears concealed in the long fur, and short tails. They are found in a wide variety of habitats. Of the approximately 70 vole species, over 40, distributed throughout North America, Eurasia, and North Africa, are classified in the genus Microtus. These voles typically make runways under dense vegetation or shallow burrows in the ground. They feed chiefly on grasses but also eat bark, leaves, seeds, and insects. They are known in North America as field mice or meadow mice (the Old World field mice are not voles). Like lemmings and various other small rodents, these voles periodically undergo population explosions which cause them to swarm over the countryside. Of similar distribution are the five species of red-backed voles, genus Clethrionomys, which spend much of their time in shrubs and bushes. Species of the North American genus Phenacomys nest in trees and are known as tree mice or lemming mice. The sagebrush vole, Lagarus curtatus, is found in the W United States. Other Lagarus species, found in S Russia and Mongolia, are misleadingly called steppe lemmings. The water vole, Arvicola, of Europe and W Asia, is a large, semiaquatic vole, somewhat resembling the closely related muskratmuskrat, North American aquatic rodent. The common muskrats, species of the genus Ondatra, are sometimes called by their Native American name, musquash. They are found in marshes, quiet streams, and ponds through most of North America N of Mexico, but are absent from the ..... Click the link for more information. . Voles are classified in the phylum ChordataChordata , phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals. ..... Click the link for more information. , subphylum Vertebrata, class Mammalia, order Rodentia, family Crecetidae. See also mousemouse, name applied to numerous species of small rodents, often having soft gray or brown fur, long hairless tails, and large ears. The chief distinction between these animals and the variety of rodents called rats is in size: mice are usually smaller. ..... Click the link for more information. . vole[vōl]vole1vole2VOLE
vole
Synonyms for vole
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vole - any of various small mouselike rodents of the family Cricetidae (especially of genus Microtus) having a stout short-tailed body and inconspicuous ears and inhabiting fields or meadows