Toggle navigation
汉字检索表
公共服务接口
管理离线字典
rn
英英字典
同义
radon
rn
atomic number 86
词性
n
解释
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
示例
None
同义
registered nurse
rn
词性
n
解释
a graduate nurse who has passed examinations for registration
示例
None