Planitron
平面数字管
🗣️ 情景例句
No one knows for certain what happened, but it's a fair bet that it was not an accident.
没有人知道究竟发生了什么，但几乎可以肯定这并非意外。
I was reminded of my promise.
有人提醒我不要忘了我的承诺。
Can you tell me why?
能告诉我什么原因吗？