Rn 详细解释
Rn
abbr.[化]元素氡的符号（=radon）
RN
abbr.无线电导航(Radio Navigation)
abbr.注册护士(Registered Nurse)
abbr.皇家海军(Royal Navy)
英英释义
名词 rn:
a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
同义词：radon, atomic number 86
a graduate nurse who has passed examinations for registration
同义词：registered nurse
补充
RnRnabbr.1.radon 氡热门单词推荐
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