Plastilock
用合成橡胶改性的酚醛树脂粘合剂
🗣️ 情景例句
Thank you, sir.
谢谢您，先生。
I'm writing to a friend of mine in South American.
我在写信给一个美国南部的朋友。
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。