英语短语词组词汇yolk bag的音标、释义、翻译、用法及例句-英语短语词组词典-老街网

短语	yolk bag
释义	yolk sac, yolk bag 【胚胎学】卵黄囊(从脊椎动物胚胎的中肠脐伸出的膨大的胚外囊体，富含卵黄) 卵黄囊(大多数哺乳动物胚胎中不含卵黄的、在胚胎发育早期变为退化器官的同源器官)
随便看	costers costest costicervical cost in civil court cost inflation costing costings cost,insurance,and freight costive costively costiveness cost keeper cost keepers cost keeping cost ledger cost ledgers costless costlessly costlessness costlier costliest costliness costlinesses costly costmaries

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