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amniotic sac的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)
amniotic sac的用法和樣例：
例句
- One outer membrane envelops both amniotic sacs.
兩個羊膜囊由一個外膜層包裹。 - Amniocentesis is the removal of fluid from the amniotic sac.
羊膜穿刺術是從羊膜囊抽取羊水的技術。
