Knuckleduster
n. [常作～s]=brass knuckles
📖 牛津释义
knuckleduster
n (US brass knuckles) metal cover worn over the knuckles to increase the injury caused by a blow with the fist 戴在指关节上的金属套（打人时加重损伤）.
🗣️ 情景例句
Sorry. I have a meeting right now.
抱歉，我马上有个会议要开。
I know the boy whose father is a mailman.
我知道那个男孩的父亲是邮差。
This is a No Parking area.
此处是‘禁止停车’区。