Pellidon
多孔聚酰胺膜
🗣️ 情景例句
It's not a bad game.
那不是个坏游戏。
A swine over fat is the cause of his own bane.
猪死都因身过肥；象以齿焚。
If we buy the smaller one, the IBM PC386, we might have to change it in a few years' time for a bigger one.
如果我们买一台较小的IBM386的话，过几年可能就得换一台较大的机子。