/ˈkæməflɑ:ʒ ||; ˈkæməˌflɑʒ/noun [U]:
1 materials or colours that soldiers use to make themselves and their equipment difficult to see （军事上的）伪装，掩饰
2 the way in which an animal's colour or shape matches its surroundings and makes it difficult to see （动物的）保护色或形状:
The polar bear's white fur provides effective camouflage against the snow. 北极熊的白色皮毛在雪地里提供了有效的保护色。
camouflage verb [T]