Vernam
灭草猛
🗣️ 情景例句
Charley Rafer.
Charley Rafer。
This is a TV set.
这是一台电视机。
When you place a sheet of paper in a fax machine, the machine reads the writing on the page and changes the shapes of letters into electronic signals.
当你把一张纸放进传真机里，机器就会"读"纸上的字迹，把字的形状变为电子符号。