英
[ˌɑːr'en]
美
[ˌɑːr'en]
- 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)
new
Rn的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
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
-
a graduate nurse who has passed examinations for registration
