1.pig-sized tailless South American amphibious rodent with partly webbed feet; largest living rodent.
南美洲无尾的两栖类啮齿动物，体型大小如猪，部分蹼足；最大的现存啮齿动物。
2.By using mean crowding(M~*), cluster index(M~*/M) from Lloyd and equation of regressive line between mean crowding and population density M~*=α+βM from Iwao, and with help of IBM computer, the spatial pattern of the population of urban remnant rodent during 18 successive months after attaining urban rodent calamity free level has been analysised.
本文采用Lloyd提出的平均拥挤度M~*、聚集性指数M~*/M及Iwao的平均拥挤度与种群密度之间直线回归方程M~*=α+βM,用IBM计算机处理,分析了城市灭鼠达标后,连续18个月内残存鼠在住宅建筑物内的空间分布格局。
3.bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America; the most primitive living rodent.
北美洲太平洋沿岸丘陵地区体大的夜间活动的穴居啮齿动物；最原始的现存啮齿动物。
4.Effect of Daphnetin on the Exo erythrocytic Stage of Rodent Malaria *
瑞香素抗红外期疟原虫作用的研究
5.A large aquatic rodent(Ondatra zibethica) of North America, related to the lemming and the vole and having a dense brown coat and musk glands under a broad, flat tail.
麝鼠一种美洲北部的大型水生啮齿动物（麝香鼠），与旅鼠和田鼠有关，长有深褐色皮毛和宽而扁的尾巴（下有放出麝香味的分泌腺）
6.A large aquatic rodent of the genus Castor, having thick brown fur, webbed hind feet, a broad flat tail, and sharp incisors adapted for gnawing bark, felling trees, and constructing dams and underwater lodges.
海狸，河狸一种大的海狸属水栖啮齿目动物，有着厚密的褐色毛皮、长蹼的后脚、宽平的尾巴和适合于咬树皮、弄倒树、建水坝及水下巢穴的尖锐前齿
7.mouselike jumping rodent.
象鼠的跳跃而行的啮齿动物。
8.mottled buff and white owl often inhabiting barns and other structures; important in rodent control.
斑驳的浅黄色和白色猫头鹰，常居住在谷仓和其它建筑物中；啮齿动物的重要天敌。
9.NEW RECORD OF MURID RODENT FROM CHINA— BRAHMA RAT, NIVIVENTER BRAHMA
我国鼠类新纪录——梵鼠
10.Rodent with newly developed brain implants and radio backpack could be used to find earthquake victims or detect land mines.
移入新研发的大脑微电极，配以无线电接受装置，啮齿动物就可以用来找到地震灾民，或者地雷。
