SEATOn.东南亚条约组织seatn.座位；底座；席位；臀部；所在地vt.使坐下；可容纳vi.坐seat-dip effect坐席低谷效应seat belt grabber安全带收卷器seating of engine发动机座seated work space坐姿工作空间seated knee level坐膝高度seat in the train火车上的座位seated connection托座连接seat in a theatre剧院中的座位seat distribution议席分配seating of boiler锅炉座