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
I'll have her call you as soon as she comes back.
等她一回来， 我就请她马上回电。
What's your nationality?Are you a Japanese?
你的国籍是什么？你是日本人？
The answer is English.
答案是英语。