| 释义 |
Definition of brown rat in English: brown ratnoun A rat found throughout the world, typically living in association with man and regarded as a pest. It is commonly kept as a laboratory animal and as a pet, and is also bred in the albino form. Rattus norvegicus, family Muridae Also called common rat, Norway rat Example sentencesExamples - Rats and mice also shared the peoples houses; the mice were the same as the modern house mouse, but the rats were the slightly smaller black rats, not the brown rats of modern cities.
- Many people mistake the endangered water vole for the brown rat and accidentally poison them or disturb their burrows.
- For instance, black and brown rats were brought to America, and gray squirrels and muskrats to Eurasia.
- Only three out of twenty-seven species of mammals in Kuwait are not endangered, and they are the house rat, brown rat, and house mouse.
- Originating in Asia and arriving in North America about 1775, the brown rat is humanity's worst animal pest.
Definition of brown rat in US English: brown ratnounbraʊn ræt A rat found throughout the world, typically living in association with man and regarded as a pest. It is commonly kept as a laboratory animal and as a pet, and is also bred in the albino form. Rattus norvegicus, family Muridae Also called common rat, Norway rat Example sentencesExamples - For instance, black and brown rats were brought to America, and gray squirrels and muskrats to Eurasia.
- Rats and mice also shared the peoples houses; the mice were the same as the modern house mouse, but the rats were the slightly smaller black rats, not the brown rats of modern cities.
- Many people mistake the endangered water vole for the brown rat and accidentally poison them or disturb their burrows.
- Only three out of twenty-seven species of mammals in Kuwait are not endangered, and they are the house rat, brown rat, and house mouse.
- Originating in Asia and arriving in North America about 1775, the brown rat is humanity's worst animal pest.
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