英语词汇periostracum怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	periostracum
释义	per·i·os·tra·cum /ˌperɪˈɒstrəkəm/([复] -ca /-kə/) n. (软体动物介壳的)角质层 [NL < PERI-+ Gr ostrakon shell]
随便看	railroad worm railroad worms rails rails in rails off railsplitter rail tongs railway railwayac railwayana railway-carriage railway-crossing railwaydom railwayed railwayless railway letter railway mail car railwayman railwaymen railway novel railways railway station railway-yard rail² rail³

英汉双解词典包含548777条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。