同根派生 guard boat相关词英汉例句The fast cruiser soon overhauled the old cargo boat.快速巡逻艇迅即赶上那艘旧货船。The patrol boat was ordered to stand by the sinking ship.巡逻艇奉命留在那快要沉没的船只附近,以便进行救助。guard boat更多例句