mem·brane /ˈmembreɪn/ noun [countableC, uncountableU] 1 HBa very thin piece of skin that covers or connects parts of your body 〔覆盖或连接身体某些部分的〕膜,薄膜 Loud noise can damage the delicate membrane in the ear. 很响的噪声会损伤脆弱的耳膜。
2. TPIECEa very thin layer of material that covers something 〔覆盖某物的〕膜状物 —membranous /ˈmembrənəs/ adjectiveadj