Embryotroph
Embryotroph is the embryonic nourishment in placental mammals. In order to explain in more depth what an embryotroph actually is, other words such as syncytiotrophoblast and uterine milk must be mentioned in that same context.
网站首页 情感咨询 情感美文 情感百科 情感生活 学习充电 旧版美文
依恋情感网英汉例句词典收录3870147条英语例句词条，基本涵盖了全部常用英语单词的释义及例句，是英语学习的有利工具。