| 单词 | lifespan |
| 释义 | > as lemmaslifespan lifespan n. a lifetime; the period of existence or duration (of an animate or inanimate thing). ΘΚΠ the world > time > duration > [noun] > lifespan (of material things, etc.) age1535 life1703 lifetime1822 longevity1842 lifespan1898 natural life1900 1831 Political Observer 16 Apr. 3/2 Oh Eldon! and has thy life-span been protracted To witness the triumph of ‘Old Harry’ Brougham? 1898 P. Manson Trop. Dis. i. 4 Each variety or species of the intra-corporeal plasmodium has its special and more or less definite life-span of twenty-four hours. 1937 B. H. L. Hart Europe in Arms xxii. 290 He [sc. Napoleon] took short views, since his horizon was his own life-span. 1957 G. E. Hutchinson Treat. Limnol. I. ii. 177 The life span of the lake. 1974 A. J. Huxley Plant & Planet xviii. 189 As soon as we move to multi-cellular plants the lifespans increase. 2007 N.Y. Times (National ed.) 6 May iv. 16/4 The long lifespans of turtles can mask their declines. Many survive in small populations whose adults are no longer able to reproduce. < as lemmas |
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