Chesterian
[地质]契斯特群
🗣️ 情景例句
Grandma's pearls!
祖母的珍珠项！
Is anybody home?
有人在家吗？
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。