Monoalphabetic
substitution(密码学用语)单码代替,单一字母替换法
🗣️ 情景例句
Blue is for boys, and pink is for girls.
蓝色是男孩子的 ，粉红色是女孩子的。
I did exercise last week.
我上星期做练习。
But don't forget your things early in the morning.
早上别忘了带上你的东西。