n. a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
词态变化
复数形式:membranes
常见例句
1
n an enveloping or covering membrane or layer of body tissue
2
the placenta and fetal membranes that are expelled from the uterus after the baby is born
3
An animal whose toes are connected by a membrane, serving for a wing, as the bat.
4
the vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals)
