Permsele lective membrane
[机] 通透选择膜
🧩 词语组成解析
membrane
['membrein]
n. （动物或植物体内的）薄膜;隔膜;（可起防水、防风等作用的）膜状物;
🗣️ 情景例句
I'd really like to pick up Grandpa at the railroad station.
我真想去火车站接爷爷。
He is playing on the slide over there.
他正在那边溜滑梯。
There is a journalist and writer living in America whose name is Alex Haley.
有一位住在美国的记者兼作家，名叫亚历克斯·哈利。