英语词汇“Sacs,Yolk”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	Sacs,Yolk
释义	Sacs,Yolk 《英文msh词典》Sacs,Yolk [入口词] Sacs,Yolk [主题词] Yolk Sac [英文释义] An embryonic membrane formed from endoderm and mesoderm. In reptiles and birds it incorporates the yolk into the digestive tract for nourishing the embryo. In placental mammals its nutritional function is vestigial; however,it is the source of most of the intestinal mucosa and the site of formation of the germ cells. It is sometimes called the vitelline sac,which should not be confused with the vitelline membrane of the egg.
随便看	three-dimensional crystallinity three dimensional CT three-dimensional CT three-dimensional current-meter three-dimensional curve three-dimensional data three-dimensional data radar three-dimensional depth information three-dimensional design three dimensional design of directional well three - dimensional diagram three dimensional diagram three-dimensional diffraction three dimensional diffraction three-dimensional diffraction pattern three-dimensional digital image three-dimensional dipole field three-dimensional displacement three dimensional displacement three-dimensional display three-dimensional, display three dimensional display three-dimensional display system three-dimensional distribution three-dimensional disturbulence

英汉翻译词典包含4368284条英汉汉英翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习的有利工具。