英语词汇“primary choana”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	primary choana
释义	primary choana pri·mar·y cho·a·na , primordial choanainitial opening of the nasal pits and olfactory sac of the embryo into the rostral part of the primordial oronasal cavity, before the formation of the secondary palate.
随便看	flag stop chalkidice chalkidike chalkidiki chalkidikí chalkier chalkiest chalkily chalkiness chalking chalking out chalking up chalking up to chalkis chalkitis chalk it off chalk it up chalk it up to chalk it up to experience chalk it up to, to chalkley, thomas chalklike chalk line chalk me off chalk mixture

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primary choana