劍橋詞典a large aircraft without wings , used especially in the past, consisting of a large bag filled with gas that is lighter than air and driven by engines . Passengers were carried in a structure hanging below. （軟式）飛艇（尤在舊時使用的大型飛行器，艇身為充滿輕于空氣氣體的氣囊，由發(fā)動機提供動力，下部為封閉的載人吊艙） 返回 airship