Cams
n. 凸轮（cam的复数）
🗣️ 情景例句
Oh! Good afternoon. Mr. Wilson, I'm sorry, but he's not in. He's gone out on business.
哦，您好！威尔逊先生。很抱歉，他不在家，他出差了。
How would 12:45 be?
12:45怎么样？
He suddenly appeared in the party.
他突然在晚会上出现了。