单词 | becquerels |
释义 | becquerel /bekˈə-rel, -rəl or -relˈ/nounA derived SI unit, the unit of radioactivity (symbol Bq), defined as the activity of a quantity of radioactive material in which one nucleus decays per second ORIGIN: AH Becquerel (1852–1908), French physicist |
随便看 |
|
英语词典包含305067条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。