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单词 embryonic membrane
释义
embryonic membrane
(once / 1688473 pages)
n

WORD FAMILY
embryonic membrane: embryonic membranes
n the inner membrane of embryos in higher vertebrates (especially when covering the head at birth)
Syn|Hyper
caul, veil
fetal membrane
any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus
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更新时间:2024/12/23 15:32:24