名词
中文翻译：轻量级
同义词：
['lightness', 'lightness of being']
例句：
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1.The new car has a lighter weight than the old one.
这款新车比旧款轻。
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2. Lightweight materials are used in sports equipment to reduce fatigue.
轻质材料用于体育器材以减轻疲劳。
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3. The lightweight suit is designed for athletes who need to move quickly.
这款轻便的夹克是为需要快速移动的运动员设计的。