名词
中文翻译：四磅重的打火机
同义词：
['four-pounder例句：1. He bought a fourpounder for his birthday.（他生日时买了一个四磅重的打火机。）']
例句：
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1. He bought a fourpounder for his birthday.
他生日时买了一个四磅重的打火机。
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2.The fourpounder was the only thing that worked.
那个四磅重的打火机是唯一起作用的东西。
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3. The fourpounder was so old, it wouldn't light even when wet.
那个四磅重的打火机太旧了，即使湿了也点不着。