SITPn.系统综合检验计划
sitv.坐;栖息;使就座n.坐;栖息
sit-sleep dual sofa两用沙发
Sit out a long speech一直坐到冗长的演说结束
Sit out a boring play耐著性子看完一出乏味的话剧
Sitophilus oryza L.米象
sit at the stertorous掌权; 管理政事
sit astraddle a horse跨在马上
sitting in attendance侍坐
sit in the middle row坐在中排
sit in judgement upon审理; 批评
sit by and do nothing坐视不管