The researchers start off by drying their coffee grounds overnight and then pour in some common chemical solvents, such as hexane, ether and dichloromethane, to dissolve the oils.
研究人员使用的方法是将咖啡渣隔夜使其干燥，然后放入一些常见的化学溶剂中，例如正己烷、乙醚和二氯甲烷，来溶解咖啡渣中的油类成分。
Drained of influences and written off by his own party, a single weapon remains with Mr Aso: when to dissolve the Diet and call the election.
受制于自民党的影响，留给麻生唯一的武器：解决众议院的问题，举行大选。
Drained of influences and written off by his own party, a single weapon remains with Mr Aso: when to dissolve the Diet and call the election.
受制于自民党的影响，留给麻生唯一的武器：解决众议院的问题，举行大选。
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