剑桥词典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，艇身爲充滿輕於空氣氣躰的氣囊，由發動機提供動力，下部爲封閉的載人吊艙） 返回 airship