Renex
678聚环氧乙烷烷基芳基醚
🗣️ 情景例句
How can I forget?
怎么忘得了?
I told him to come in and rest for a while.
我告诉他进来休息一下。
This is a kind of printing that blind people can read by touching groups of raised points that are printed on paper.
布莱叶盲文是一种印刷字体，盲人通过摸印在纸上起的点点来读书。