Dohc
abbr. 双顶置凸轮轴（Double Overhead Camshaft）
🗣️ 情景例句
It's Malcolm Stewart!
他是Malcolm Stewart。
No matter what he does, don't show you mind.
不管他做什么，你总不要表现你介意。
Everything's very quiet.I'm sure there's no one at home.
毫无动静，肯定家里没有人。