英语词汇“graptolite”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	graptolite
释义	Trends of graptolite View usage for: graptolite in British English (ˈɡræptəˌlaɪt) noun any extinct Palaeozoic colonial animal of the class Graptolithina, usually regarded as related to either the hemichordates or the coelenterates: a common fossil, used to determine the age of sedimentary rocks Word origin C19: from Greek graptos written, from graphein to write + -lite Examples of 'graptolite' in a sentence graptolite Fossils other than graptolites are very rare. Richard Fortey THE EARTH: An Intimate History (2004) Word lists with graptolite Extinct invertebrates
随便看	he said he would be at home later he's a kind of explorer he's always late he's a nobody he's a perfect stranger to me he's a prime candidate for a heart attack he's a real mine of information he's as clever as anything he's at an awkward age he's at work on a novel he's a very busy man hesc he's come here to work he's crackers he scrambled to his feet he's doing well/badly at school he's earned a rest/reward heseltine he's ever such a good dancer he's fresh from or out of university he's going on 50 he's going places he's going through a difficult time he's going to new york he's gone off to work

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Trends ofgraptolite