关于spermatozoon的百科

• spermatozoon造句怎么写

• theactofbecomingpregnant;fertilizationofanovumbyaspermatozoon.Aporeinthemembranecoveringtheovumofsomeanimalsthroughwhichaspermatozooncanenter.Althoughtheproblemisdonenothavesoserious,butmalespermatozoonamountdropstoalsocanbringalotofsocietyissues,can...
• 2018-10-1319253