Guides
n. 辅助线；参考线；指南
🗣️ 情景例句
That's entirely another story.
那完全是另外一件事情了。
To exercise in the garden
在花园里做操
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。