Codebook
n. 电报密码本
🗣️ 情景例句
Good day also to you.
再见！
Don't forget to cable to let us know you arrived safely.
不要忘记在你安全地到达后打电报让我们知道。
It was as clear as daylight then that burglars had forced an entry during her absence.
事情很清楚，在她外出时，窃贼曾闯进家门。