a light-heavy weight的用法和样例：
- Men rs Light Heavy Weight ( 81kg ) Round of 16
男子重量级81公斤1 / 16赛
- Men rs Light Heavy Weight ( 81kg ) Round of 32
男子重量级81公斤1 / 32赛
- She runs up the stairs with a light graceful step.
- I had kept my matches dry and soon struck a light.
- He is able to lift a very heavy weight .