Cams
n. 凸轮（cam的复数）
🗣️ 情景例句
Remember that wonderful little balcony
还记得那个美妙小阳台，
I have a runny nose.
我流鼻涕。
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。