spelling?

shǔ?

department head? Mouse

pen painting? 13

five lines? Gold

five strokes? Vun

new vocabulary

basic definition? Detailed explanation?

There are many kinds of mammals, generally small in size, long in tail, well-developed in front teeth, with no canine teeth, brown or black fur, and strong in fecundity, and some of them can spread plague. Known as rats, some areas are called rats.

related words

squirrel? Mole? Rat run? House mouse? Plague? Rats? Rat's path? Flying squirrel? Guinea pig? Vole? Kangaroo? Rat wax rat consumption? Rat damage?

a rat is a kind of rodent, with large and small bodies. There are many kinds, there are more than 5 kinds, and the number is large, with tens of billions, which is about ten times that of human beings! Moreover, it breeds quickly and has strong vitality. It can eat almost anything and live anywhere. Rats can dig holes, climb trees, climb mountains and wade, which is extremely harmful to human beings. In addition to catching rats by natural enemies, people also use instruments (mouse traps, mouse cages, electronic mouse traps, etc.) and drugs to kill rats. There are more than 1,7 species of rodents in the world ... In China, there are more than 17 species of rodents, and there are 32 species of rodents in southern China. There are two types of rodents: domestic and wild. There are three common domestic rodents in Guangdong: Rattus norvegicus, Rattus flavipectus and Mus musculus. The wild rats are mainly yellow-haired rats, also known as Rossi rats and voles. 1. Rattus norvegicus (Rattus norvegicus): Its fur is gray, and it likes to make holes in the walls and corners. Generally, it weighs about 3g, and the big one weighs 9g g.. 2. Musca domestica (mouse): The coat is gray, the individual is small, and it often keeps company with people except the wall roots, weighing about 2-3g. 3. There are also roof rats, hamsters and yellow-haired rats. 4. Rattus flavipectus: It is smaller than Rattus norvegicus, with a general weight of 1-25g, long tail and big ears, and its tail length exceeds its body length. In addition, there is a small insect-eating animal called smelly shrew, commonly known as smelly mouse. It is not a rat, and it does little harm to human beings, so it needs to be distinguished from rats. ?

English translation

KangXi radical 28; rat, mouse