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单词 membrane
释义
mem·brane (mĕmbrān)
n.
1. Biology
a. A thin, pliable layer of tissue covering surfaces or separating or connecting regions, structures, or organs of a living organism.
b. A semipermeable layer that bounds a cell or an organelle, typically consisting of lipids and proteins.
2. A thin, pliable sheet or layer of natural or synthetic material: the resonating membrane of a kazoo.
3. A piece of parchment.
4. Chemistry A thin sheet of natural or synthetic material that is permeable to substances in solution.

[Latin membrāna, skin, from membrum, member of the body.]

membra·nal (-brə-nəl) adj.
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更新时间:2025/3/22 19:48:33