英语词汇yolk sac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	yolk sac
释义	Examples: yolk sac (ectodermal cells attaching fetus uterus before the development of the placenta)— 卵黄囊 See also: yolk n — 蛋黄 n • 卵壳 n
随便看	unnecessary cleaning unnecessary communication unnecessary complexity unnecessary complications unnecessary concerns unnecessary confusion unnecessary congestion unnecessary consumption unnecessary cost unnecessary data unnecessary delay unnecessary delivery unnecessary dependence unnecessary detail unnecessary details unnecessary distractions unnecessary disturbance unnecessary duplication unnecessary entry unnecessary equipment unnecessary errors unnecessary expense unnecessary files unnecessary force unnecessary friction

英汉双解词典包含2273206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。

yolk sac (ectodermal cells attaching fetus uterus before the development of the placenta)—