单词	spoon bit
释义	spoon bit 匙头钻
随便看	principal products principal profile principal program principal program path principal projection principal projection property principal proposition principal protection principal pseudopupil principal punishment principal purlin principal quantum number principal radius of curvature principal rafter principal raw material principal ray principal reactance principal reaction principal real right principal reduced form principal reflection principal refraction index principal refractive index principal refractive indices principal register 宴安酖毒宴安鸠毒宴安鸩毒宴尔新婚宵宵1 宵2 宵3 宵旰图治宵旰忧劳疤疤癞癞疤痕疤瘌疤癞癞疥疥疤疥疮疥癣虫疥虫疥虫