英语词汇“lifespan”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	lifespan
释义	Word Frequency lifespan (ˈlaɪfspæn) noun 1. the period of time during which a human being, animal, plant, etc, may be expected to live or function under normal conditions A 15-year lifespan is not uncommon for a dog. A fox's natural lifespan could be ten years. They have extended the potential life span of humanity everywhere. 2. the period of time during which a machine, product, etc, may be expected to function under normal conditions Most boilers have a lifespan of 15 to 20 years. This job had a planned lifespan of five years.
随便看	hard-earned Hardecanute hard-edge hard-edged harden Hardenberg hardened hardener hardening hardening of the arteries harden off harden up hardface hard-faced hard feeling hard feelings hard fern hardfisted hard-fought hard grass hardgrass hardhack hardhanded hardhandedness hardhandedness

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