Cams
n. 凸轮（cam的复数）
🗣️ 情景例句
Grandpa, when did Dad graduate from Michigan?
爷爷，爸爸是什么时候从Michigan毕业的？
Don't try judge young people by their appearance.
不要从外表去判断年轻人。
Yes, Miss Gao.
好的，高老师。