Keepalive message
[计] 存活报文
🧩 词语组成解析
🗣️ 情景例句
but I have a feeling
但我觉得
I said, Do you need any help?
我是说:你需要帮忙吗？"
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。