Dohc
abbr. 双顶置凸轮轴（Double Overhead Camshaft）
🗣️ 情景例句
And we don't own anything to use as collateral.
可是我们没有任何可以做担保物的东西。
It seems doesn't understand.
看起来他好像不了解。
Yes, I have.
是的，我刚去过。