| 单词 | seventeen-year cicada | 
| 释义 | > as lemmasseventeen-year cicada   seventeen-year cicada  n. 		(also seventeen-years cicada, †seventeen-years' cicada)	 any of several periodical cicadas of eastern North America (genus  Magicicada) whose nymphs emerge as adults in large numbers on a seventeen-year cycle; also called seventeen-year locust.Cf. thirteen-year cicada n. at thirteen adj. and n. Compounds 2. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Pterygota > 			[noun]		 > division Exopterygota or Hemimetabola > order Hemiptera > suborder Homoptera > family Cicadidae > cicada septemdecim (seventeen-year cicada) seventeen-year locust1817 seventeen-year cicada1830 periodical cicada1876 1830    Catal. Contents Mus. Royal Coll. Surgeons IV.  i. 126  				Cicada septendecim, Oliv... Seventeen-years Cicada. 1841    T. W. Harris Rep. Insects Massachusetts 170  				The seventeen-year Cicada,..in the winged state, is of a black colour, with transparent wings and wing-covers. 1950    Chicago Daily News 13 Jan. 42  				The periodic or 17-year cicada lives the longest of any known insect. 2019    L. Moffatt tr.  A. Sverdrup-Thygeson Buzz, Sting, Bite iii. 59  				People can suffer hearing loss if they spend too much time out and about when the seventeen-year cicadas strike. The sound level can be as high as 100 decibels. < as lemmas | 
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