Thumbmark
n. 拇指痕
🗣️ 情景例句
But this is what you've been working for all these years.
但你多年来的工作 为的就是这个呀。
All I have to do is learn English.
我所要做的就是学英语。
It then sends these signals down an ordinary telephone line to another fax machine, which changes the signals back into the shapes of letters.
然后把这些符号通过一条普通的电话线送到另一台传真机上，传真机又把符号变为字母形状。