Specific radioactivity
[化] 比放射性
🧩 词语组成解析
radioactivity
[,redɪoæk'tɪvəti]
n. 放射（性）;辐射能;
radio光线+act行动，做+ivity表示情况、状态、“...性”、“...力” →放射性；[核] 放射能力；[核] 放射现象
🗣️ 情景例句
Do you have anything to declare for customs?
有什么要申报呀？
Don't you care about this country's future?
难道你不会国家首任担忧吗？
They will think that you are the eyes and ears of the manager.
他们会认为，你是经理的耳目。