1646Sir T. Browne Pseud. Ep. v. xxi. §17. 269 The infant hath three teguments, or membranous filmes which cover it in the wombe, that is, the Corion, Amnios, and Allantois.
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。