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

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	mark sb / sth ↔ down mark sb / sth ↔ off mark sb / sth ↔ out mark something down mark something up mark sth↔down mark sth↔off mark sth↔out mark sth↔up mark sth ↔ up mark time mark up mark you Marriage comes by destiny. Marriage goes by contrasts. marriage of convenience marry beneath one marry in haste (, repent at leisure) marry in haste, repent at leisure marry into marry into sth marry money marry sb ↔ off marry sb↔off (to sb) marry sth↔up (with sth)

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