any of several rodents of North American prairies living in large complex burrows having a barking cry
双语例句
用作名词 (n.)
The white-tailed prairie dog inhabits higher altitudes, hibernates, and is less colonial. 白尾草原犬鼠栖息处海拔比黑尾种的高，有冬眠习性，较少集群。
Introduced to the U.S. a century ago, it is creeping into the upper Midwest, wiping out prairie dogs and threatening the black-footed ferret, one of North America's rarest species. 一个世纪前，鼠疫杆菌入侵美国，逐渐蔓延至整个中西部，经草原犬鼠的传播，对北美最濒危的黑脚貂造成威胁。
