The seven gods and fly extravehicular Zhai Zhigang walk, but the pilot and explore.而此次神七飞天,翟志刚出舱行走, 只是试验性、探索性的....

adj.太空船外的...

extravehicular的音标：extravehicular的英式发音音标为：[ˌekstrəvi:'hɪkjələ]extravehicular的美式发音音标为：[ˌekstrəvi'hɪkjələ]...