Background Radiation

中文含义：背景辐射，指来自自然界和人类活动所造成的周围环境中的辐射。

英语词性：noun

美式发音： /ˈbækˌɡraʊnd reɪdɪˈeɪʃən/

同义词：ambient radiation, environmental radiation

易混淆单词：radiation background(指监测结果中背景辐射的测量值)，background noise(指噪声)

双语例句：

The level of background radiation is higher in areas with high natural radioactivity, such as granite or uranium deposits. (背景辐射的水平在具有高天然放射性的区域，如花岗岩或铀矿床中更高。)

Professional radiation exposure monitoring must differentiate between background radiation and exposure due to medical or industrial sources. (专业的辐射暴露监测必须区分背景辐射和因医疗或工业源而导致的暴露。)

In order to accurately measure low levels of radiation, it is necessary to take into account the contributions of background radiation. (为了准确测量较低水平的辐射，需要考虑背景辐射的贡献。)

以上内容仅供参考，如有错误请指出。