RN
基本解释
(英国)皇家海军, 注册护士
[计] 新闻阅读程序
英文释义
n 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
n a graduate nurse who has passed examinations for registration
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