名词
中文翻译：羽毛重的人
同义词：
['flimsy', 'lightweight例句：1. He was a featherweight in the boxing ring.（他在拳击场上是个轻量级选手。）']
例句：
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1. He was a featherweight in the boxing ring.
他在拳击场上是个轻量级选手。
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2. The lightweight team won the championship.
轻量级队伍赢得了冠军。
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3.She felt like a lightweight when she tried to lift the heavy bag.
当她试图举起沉重的沙袋时，她觉得自己像一只轻飘飘的鸟。