spotp点spotn.地点；场所；职位；污点；斑点；少量；聚光灯；插播节目adj.现场的；现货的；插播的v.（使）产生污渍；玷污；认出；用灯光照射Spot-breasted Plovern.点胸麦鸡spot-type disc brake钳盘式制动器Spot weld fatigue life焊点疲劳寿命Spot-backed Puffbirdn.点背喷spot welding electrode点焊电极spot centroid drifting光斑质心漂移Spot-billed Toucanetn.点嘴小巨嘴鸟Spot-tailed Nightjarn.点尾夜鹰spot-size converters模斑转换器spot cut-off voltage亮点消去电压