名词
中文翻译：Unknown
同义词：
['lighter', 'lighterweight', 'lighter-than-air']
例句：
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1. The chef used a lighter to start the fire.
厨师用打火机点燃了火。
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2. The new lighter is lighter than the old one.
这个新的打火机比旧的轻。
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3. He carried a lighter in his pocket for emergency use.
他在口袋里带了一只打火机以便应急使用。