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You are searching for placentas
placenta definition
that
part
of
the
ovary
of
a
flowering
plant
where
the
ovules
form
the
vascular
structure
in
the
uterus
of
most
mammals
providing
oxygen
and
nutrients
for
and
transferring
wastes
from
the
developing
fetus
來源 : wordnet
來源 : Trending