英语词汇half-life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-英文缩写网

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单词	half-life
释义	half-life noun [ C ] physics specialized uk/ˈhɑːf.laɪf/ us/ˈhæf.laɪf/ （放射性物质的）半衰期 the length of time needed for the radioactivity of a radioactive substance to be reduced by half
随便看	know-it-all know-it-all knowledgable knowledge knowledgeable knowledgeably known known as something know of someone know of someone/something know of something know/say for certain know/see where someone is coming from know someone to speak to know something back to front know something backwards know something backward(s) and forward(s) know something from something know something inside out know something like the back of your hand know something off pat know the ropes know the ropes know the score know what I mean 形势严峻形勝形勢形勢嚴峻形单影只形变形同形同虚设形同虛設形同陌路形單影隻形声形声字形婚形容形容詞形容詞短語形容词形容词短语形容辞形容辭形式形式主义形式主義形式化 “EH”是“European Helicopters”的缩写，意思是“欧洲直升机” “EH”是“Employment of Household”的缩写，意思是“家庭就业” “NVO”是“National Virtual Observatory”的缩写，意思是“国家虚拟天文台” “EGF”是“East Grand Forks”的缩写，意思是“东大福克斯” “SVN”是“South VietNam”的缩写，意思是“南越” “SVN”是“South VietNam”的缩写，意思是“南越” “SVN”是“South VietNam”的缩写，意思是“南越” “SVN”是“South VietNam”的缩写，意思是“南越” “NVN”是“North VietNam”的缩写，意思是“越南北部” “NVN”是“North VietNam”的缩写，意思是“越南北部” “NVN”是“North VietNam”的缩写，意思是“越南北部” “EFR”是“Electronic Flight Rules”的缩写，意思是“电子飞行规则” “NVM-A”是“Night Vision Monocular type- A”的缩写，意思是“Night Vision Monocular type-A” “NVM”是“Night Vision Monocular”的缩写，意思是“Night Vision Monocular” “NVM”是“Near vs. Minnesota (1931)”的缩写，意思是“Near vs.Minnesota（1931年）” “EFI”是“Electronic Fuel Injection”的缩写，意思是“电子燃油喷射” “NVL”是“United States Army Night Vision Laboratory”的缩写，意思是“美国陆军夜视实验室” “NVL”是“Northville”的缩写，意思是“诺斯维尔” “NVL”是“NIST Virtual Library”的缩写，意思是“虚拟图书馆” “EFD”是“Effective Filing Date”的缩写，意思是“有效申请日” “NVI”是“National Violence Index”的缩写，意思是“国家暴力指数” “NVI”是“National Violence Index”的缩写，意思是“国家暴力指数” “OCC”是“Organic Commodity Commission”的缩写，意思是“有机商品委员会” “EFA”是“Education Finance Act”的缩写，意思是“教育财政法” “EEZ”是“Exclusive Economic Zone”的缩写，意思是“专属经济区”

英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。