滚动船roll: vt. 1.滚,转,推滚(桶、车轮等),使(烟、尘土)滚 ...off: adv. 1.〔运动〕向那边,隔开。 be off 走, ...vessel: n. 1.容器,器皿〔桶、钵、碗等〕。 2.船,舰;飞船 ...roll-onroll-off vessel: 滚装船roll onroll-of vessel: 滚动船下载手机词典可随时随地查词查翻译