Emanometer
射氣儀, 測氡儀
?? 擴展釋義
【醫】 氡射線計, 射氣計
??? 情景例句
And I don't think it's a good idea
而且我覺得這不是個好主意
Necessity is the mother of invention.
窮則變，變則通。
I'm afraid I can't remember.
恐怕我記不得了。