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单词	lifespan
释义	lifespan /ˈlʌɪfspan / noun The length of time for which a person or animal lives or a thing functions: the human lifespan... As humans lengthened lifespans with better nutrition and hunting skills, childhood also lengthened. They are slow-breeding and long-lived animals, achieving lifespans of 70 years or so. I suggested that extending human lifespans might lead to extended creativity.
随便看	morphoea morphogen morphogenesis morphogenetic morphogenetically morphogenetic field morphogenic morphogeny morphographemic morphographic morphographical morphography morpholexical morpholine morphologic morphological morphological axis morphologically morphologist morphologization morphologize morphology morphometric morphometrical morphometrically

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。