trawler ['trɔ:lə]
拖网渔船
tug, tugboat
拖轮
vessel ['vesl]
船
词根记忆:ves(囊,泡)+sel→像囊、泡一样的东西→容器,器皿
yacht [jɔt]
游艇
yawl [jɔ:l]
船载小艇