The extraction solvent的用法和样例：
例句
- The extraction solvent of chemical extraction had pois on which could cause some pollution and toxicity.
化学萃取法的提取溶剂有毒，会造成一定的污染和毒害。 - Extraction of polyphenols from Humulus lupulus L was optimized from extracting solvents and other extracting conditions.
从提取溶剂及提取条件等方面对啤酒花多酚提取工艺进行了优化研究。
