a low level of radiation found throughout the natural environment emanating from naturally occurring radioactive isotopes in the soil, etc
| 单词 | background radiation |
| 释义 | background radiationnouna low level of radiation found throughout the natural environment emanating from naturally occurring radioactive isotopes in the soil, etc |
| 随便看 |
|
英语词典包含66266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。