n.深海调查用球形潜水装置
bathysphere A sperical deep-sea diving structure capable of descending to about 900 m, now replaced by the bathyscaphe which is safer, more manoevrable and dives deeper. 探海球海下观察用的有观察窗的钢制球形容器，设计上能达900公尺深度。
a reinforced spherical deep-diving chamber in which persons are lowered by a cable to study the oceans. The bathysphere,limited to depths of about900 meters(3,000 feet),has been supplanted by the safer and more navigable bathyscaph 海潜球，一种坚固的球形深海潜水器，用缆绳把载人的球形舱降低以观测海洋。潜水深度限制在900米，现已被更安全、更能航行的深海潜测艇所代替
bathysphere dive 深潜球
