名词
中文翻译：提取物质
同义词：
['extractable matter', 'extractable substance']
例句：
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1. The process of extracting oil from the earth is called oil drilling.
从地下提取石油的过程被称为石油钻探。
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2. The extraction of methane gas from natural gas is a common practice in many industries.
从天然气中提取甲烷气体是许多行业常见的做法。
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3. The extraction of water from saltwater requires significant energy and technology.
从盐水中提取水需要大量的能源和技术。