英
[?ɑ?r'en]
美
[?ɑ?r'en]
- abbr. [化]元素氡的符號（=radon）
- RN.
- abbr. 無線電導航(Radio Navigation)
- abbr. 注冊護士(Registered Nurse)
- abbr. 皇家海軍(Royal Navy)
new
Rn的英文翻譯是什么意思，詞典釋義與在線翻譯：
英英釋義
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
