英语词汇“orthoceras”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	orthoceras
释义	orthoceras /ɔːˈθɒsəras/ Palaeontology noun A fossil orthoconic shell of a nautiloid cephalopod mollusc of the Palaeozoic or early Mesozoic eras; specifically a member of the genus Orthoceras. Origin Mid 18th century; earliest use found in Philosophical Transactions of the Royal Society of London. From post-classical Latin Orthoceras from ancient Greek ὀρθο- ortho- + κέρας horn.
随便看	ataractic at a range of at a rate of knots ataraxia ataraxic ataraxy at arm's length Atascadero at a stretch at a time Atatürk, Kemal at a venture atavism atavistic atavistically at a word ataxia ataxia telangiectasia ataxic ataxy ATB at-bat at bay at best at bottom

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orthoceras