英语词汇“咕咕期”的翻译、意思、用法、释义-英汉汉英词典

单词	咕咕期
释义	咕咕期cooing phase
随便看	yolk sac blood vessels yolk sac endoderm yolk sac epithelium yolk sac membrane yolk sac placenta yolk-sac placenta yolk sac sinusoids yolk sac teratogenesis yolk sac umbilicus yolk sac veins yolk sac, yolk bag yolk skin yolk sphere yolk stalk yolk svncitium yolk svncitium，h.virchow yolk umbilicus yolk vacuole yolk vacuole--vitelline vacuole yolk vacuole，vitelline vacuole yolk vesicle stage yolky yolk--yelk yolk yellow yolk--yoke