Marmota caligata英美[网络] 马尾ota网络双语例句A marmot ( Marmota caligata) of the mountains of northwest North America, having a grayish coat and a shrill, whistling cry.一种北美洲西北部山区的旱獭,(暗旱獭土拨鼠属)属,具有灰色毛发,其叫声尖厉、高亢。