seatn.座位；底座；席位；臀部；所在地vt.使坐下；可容纳vi.坐seatainern.船用集装箱seat rack撑架seat bang座板seat edge座边seat fire座椅弹射seat back座椅靠背seat mile计算旅客空运量的人/英里seat call座席服务seat pack座伞, 座式伞包seat hole座椅靠背