中文翻译与英英解释

(战斗机枪手的)球形座位。

ball:    n. 跳舞会；〔俚语〕狂欢会。 give a ball ...

turret:    n. 1.【建筑】塔楼，角塔。 2.【古军】(攻城用)移 ...

A ball turret was a particular form of spherical-form, altazimuth mount movement manned aircraft gun turret, accommodating the gunner with nearly all the needed equipment for defensive firepower (except for the ammunition storage) mounted either within or onto the spherical shell of the turret structure, mounted on aircraft during World War II. The most common one was manufactured by the Sperry Corporation.