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
We might need you to come through with your friends, Robbie.
我们也许需要你们多邀朋友来帮忙， Robbie。
This window is just as wide as that one.
这扇窗户就象那一个一样宽。
I'd like to know something about your foreign trade policy.
我非常想了解有关贵国对外贸易的政策。