英语词汇“yolk-sac placenta”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	yolk-sac placenta
释义	yolk-sac placenta noun : a structure in some sharks resembling a placenta, consisting of the vascular embryonic yolk sac wall intimately associated with the vascular maternal uterine or oviducal wall, and serving to nourish the embryo
随便看	fenthion fenugreek fenus feod feodal feodality feodary feodum feoff feoffee feoffer feoffment feoffor FEP fer -fer fer feracious ferae ferae ferae naturae feraghan feral feralia ferash

英语词典包含332784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。