boat 小船;汽艇;舟
ship (大)船;舰
vessel (正式用语)大船;轮船
cargo ship 货船;货轮
ferry-boat 渡船,渡轮
passenger liner 客轮;定期客船
oil tanker 油船,油轮
container ship 货柜船,集装箱运货船
sailing boat 帆船
cruiser yacht 观光游艇
hovercraft 气垫船
trawler 拖网渔船
steamer 汽船;汽轮
tug 拖船
cable ship 敷缆船;海底电缆敷设船,放缆船
warship 军舰,战舰