同根派生 guard boat相关词英汉例句The fast cruiser soon overhauled the old cargo boat.快速巡邏艇迅即趕上那艘舊貨船。The patrol boat was ordered to stand by the sinking ship.巡邏艇奉命畱在那快要沉沒的船衹附近,以便進行救助。guard boat更多例句