brown rat

基本解釋

This brown rat's angry display at the photographer reflects 73 generations of breeding for hostility to humans.
這衹褐鼠（家鼠）對(duì)著攝影師做出的憤怒表情反映了把對(duì)人類的敵意進(jìn)行了73代培養(yǎng)的結(jié)果。
A seriesof images captured by a British student in Hertfordshire show adaring brown rat nibbling a leopard's lunch.
日前，一名英國(guó)學(xué)生在赫特福德郡野生動(dòng)物保護(hù)中心，拍到了一組老鼠搶食獵豹午餐的照片。
edu.sina.com.cn
CONCLUSION: Cold acclimation not only increase concentration of UCP in mitochondria inner membrane of rat brown fat, but also increase its activity.
結(jié)論：冷適應(yīng)不僅能使棕色脂肪線粒躰內(nèi)膜UCP含量增加，而且能使其活性增加。

a common brownish rat, Rattus norvegicus: a serious pest in all parts of the world (Also called Norway rat)