英语词汇“periostracum”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	periostracum
释义	per·i·os·tra·cum (pĕr′ē-ŏstrə-kəm) n. pl. per·i·os·tra·ca (-kə) The tough horny or fibrous outer covering of the shell of many mollusks and brachiopods. [New Latin : PERI- + Greek ostrakon, shell; see ost- in the Appendix of Indo-European roots.]
随便看	hopscotch hop, skip, and (a) jump hop, skip, and a jump hop, skip, and jump hop to it hoptree hop up hor. hora Horace Horace Horace Horace Horace-Bénédict de horah horary Horatian Horatian ode Horatio Horatio Horatio Horatio Horatio Herbert horchata horde

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