Ultrafme超细ultraadj.超；过激的；极端的n.过激论者；急进论者ultramafic intrusive超镁铁质岩体ultra-thin glasses超薄镜片； n.；超薄镜片Ultrasonie flowmeter超声波流量计Ultra-violet pulse紫外脉冲ultrasound technique超声波技术ultra light aircraft超轻型飞机ultra-fine pigment超细颜料ultramicro-element超微量元素ultra-short radius超短半径Ultramarine Grosbeakn.极青彩鹀