All of these cases have been detected since February in the capital Luanda or in provinces which were previously polio-free ( Bie, Bengo, Huambo, Lunda(LUN) Norte and Lunda(LUN) Sul ). 自今年2月以来发现的这些所有病例都处在首都罗安达或者那些以往没有脊灰的省份(比耶、本戈、万博、北隆达和南隆达)。
Any of several sea birds of the genera Fratercula and Lunda(LUN) of northern regions, characteristically having black and white plumage and a vertically flattened, triangular bill that is brightly colored during breeding season. 海雀一种海鹦属和花魁鸟属海鸟,有黑白相间的羽毛以及在繁殖期色彩鲜艳的垂直扁平的三角形嘴。