释义 |
röntgen noun[ C ] physics specializeduk /ˈrɒnt.ɡən/ us /ˈrent.ɡən/ → roentgenspecialized伦琴(辐射的照射量单位,同roentgen) SMART Vocabulary: related words and phrases Miscellaneous units of measurement acre acreage caloric denier dioptre farad fathom firkin flashpoint hectare joule MHz newton radian refractive index Scoville scale SI unit sievert sun protection factor watt |