名词
中文翻译：白炭
同义词：
['charcoal', 'activated carbon']
例句：
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1. The white charcoalfilter removes impurities from theair.
白炭过滤器从空气中去除杂质。
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2.The activated carbon is used to absorb harmfulchemicals in the environment.
活性炭被用来吸收环境中的有害化学物质。
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3. The charcoalbriquettes are used as fuel forcooking and heating.
木炭球作为烹饪和取暖的燃料使用。