0 a bag of liquid that surrounds the embryo of a mammal, bird, or reptile inside its mother -- 羊膜囊，胎囊，羊水袋
In the centre of the amniotic sac, a little heart was beating away. 在羊膜囊的中心，跳動著一顆小小的心臟。
An amniotic sac contains a fetus during pregnancy. 懷孕期間，胎兒包裹在羊膜囊裡。
During pregnancy, the amniotic sac is formed within the uterus and encloses the fetus.
Part of the membrane around the baby's amniotic sac burst.
The amniotic sac bursts during the birthing process.
中文简体
羊膜囊，胎囊，羊水袋…
Español
Saco Amniotico…
Français
poche des eaux…
Malay
kantung amnion…
Deutsch
die Fruchtblase…
Norwegian
fostersekk…
Čeština
plodový vak (biol.)…
Dansk
fosterhinde…
最新單詞
European
2021年8月16日
每日一詞
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amniotic sac
