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
it's a good picture.
那是一张好照片。
A man alone is either a saint or a devil.
孤身独处的人可以为圣哲，也可为恶魔。
The number 13 bus will take you to the hospital.
13路车会带你去医院。