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词汇
yolk sac, yolk bag
释义
yolk sac, yolk bag
胚胎；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
tocher
to cher
Tochergamin
to cherish a hope
To cherish an evil heart
to cherish a viper in one's bosom
To cherish charity
To cherish hopes ardently
to cherish hopes deeply
To cherish men of ability
to cherish peace within the four seas
To cherish unscrupulous intentions
To cherish what we have with gratitude
To cherish with soft words
Toch, Ernst
tochers
toches
tocheses
Tochet
to chew
to-chew
to chew face
To chew food
To chewfoodwith toothless gums
To chewfood with toothless gums
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更新时间：2026/8/7 12:02:04