N-COUNT
最轻量级拳击运动员（体重为51至53.5公斤）；次轻量级摔跤运动员（体重为52至57公斤）
A bantamweight is a boxer who weighs between 51 and 53.5 kilograms, or a wrestler who weighs between 52 and 57 kilograms. A bantamweight is heavier than a flyweight but lighter than a featherweight.
例句
...the European bantamweight title-holder.
欧洲最轻量级冠军