英语词汇“yolk sac, yolk bag”的翻译、意思、用法、释义-英汉汉英词典

单词	yolk sac, yolk bag
释义	yolk sac, yolk bag1.■【胚胎学】2.■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)3.■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	tiorba {it.} tiorba {sp.} tio taco tiou -tious tiou (thiou) tip tip a car tip aileron ti palm tip and ring conductors tip and run tip-and-run tip an elbow tip angle tipasa renalis tip back tip backward tip backwards tip blight canker tip box tip bucket tip-bunch builder motion tipburn tip cable