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	the sum and substance of the sum assured the summit of sth the sum of sth the sum total the Sun Belt the sun is over the yardarm the Sunna the sun / the Sun the supernatural the Supreme Being the survival of the fittest the sweat of sb's brow the Swedish the sweep of sth the sweeps the sweet and the bitter of life the sweet smell of success the swinging sixties the sword of justice the system the Tabernacle the tail end of sth the tail (is) wagging the dog the tail of one's eye

英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。