a streamlined housing or tank for something on the outside of an aircraft or motor vehicle 整流罩,短舱 ■the outer casing of an aircraft engine 发动机舱 ■(chieflyhistorical)the car of an airship (主史)吊舱
语源
early 20th cent. (originally denoting the car of an airship): from French, from late Latin navicella, diminutive of Latin navis 'ship'