英语词汇specific activity怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	specific activity
释义	specific activity noun Physics the activity of a given radioisotope per unit mass 【物理】比活度, 比放射性。
随便看	council council estate Council for Mutual Economic Assistance councillor councillorship councilman Council of Chalcedon, Council of Europe, etc. council of war council tax councilwoman counsel counselling counsellor Counsellor of State count countable countable noun countback count down countdown countenance counter counter- counteract counteraction

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