black rat
noun
1- a rat with dark fur, large ears, and a long tail. It is found throughout the world, being particularly common in the tropics, and is the chief host of the plague-transmitting flea.黑家鼠, 屋顶鼠, 船鼠。亦称SHIP RAT, HOUSE RAT或ROOF RAT.
1.1
- Rattus rattus, family Muridae.拉丁名Rattus rattus,鼠科。