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	peeler peelie peelings Peelism Peelite peel off peel out peels Peel, Sir Robert peel tower peely peely-wallie peely-wally peen Peenemunde peenge peen hammer peenje peent peenting peeny-wally peeoy peep peep-bo pee-pee

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。