“primitive cardiovascular system”的概念、定义、翻译、参考文献-科学参考

单词	primitive cardiovascular system
释义	primitive cardiovascular system Encyclopedia 医学心血管系统的发生释 primitive cardiovascular system原始心血管系统人胚第3～5周，胚体内逐渐形成心管、动脉和静脉，构成卵黄循环、脐循环和胚体循环组成的系统。
随便看	pretibial myxedema pretilachlor pretopological pretopology Pretoria Pretoria Convention pretorsion pretorsion theory pre-trained models pretransition effect pretreatment pretreatment acid pretreatment of cocoon cooking pretreatment of environmental sample pretreatment of iron ore pretreatment of redox titration pretreatment of refractory gold ore pre-treatment of sample pretreatment of sample pretrial conference pretrigger pre-trip information service pretty good privacy pretty good privacy, PGP Pretty History with Civilization

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