norway rat

基本解释

Calhoun, J. B. The Ecology and Sociology of the Norway Rat.
《挪威鼠的生態學與社會學》。
Calhoun, J. B. The Ecology and Sociology of the Norway Rat. Public Health Service Publication No. 1008. U. S. Government Printing Office, 1962.
《挪威鼠的生態學與社會學》。公共毉療衛生服務刊物編號1008。美國政府印刷部，1962。
It began with the Pacific rat arriving from Polynesia nearly 1000 years ago and escalated six hundred years later when the Norway rat jumped ship from Captain Cook's Endeavor.
一切是從近1000年前從玻利尼西亞來的太平洋鼠開始的，600年後挪威鼠跳離庫尅隊長的“奮進號”也進入新西蘭，於是太平洋鼠的數量開始逐漸增加。
blog.sina.com.cn

That would be the Norway rat.
FORBES: No Rat Exodus Reported From NYC Tunnels. Millions Of Them Likely Drowned