Pellidon
多孔聚酰胺膜
🗣️ 情景例句
I'll give him your message as soon as he's available.
他一有空我就转告他您的留言。
The course of true love never did run smooth.
好事多磨。
Miss Yang works in the school library.
杨小姐在学校图书馆工作。