研究者采用了一种叫PLGA的生物降解聚合物来制造镜片，首先将其溶解在有机溶剂里，然后加入药物。
To make their lens, the researchers took a biodegradable polymer called PLGA and dissolved it in an organic solvent, and then they added their drug.
最理想的是它能在溶剂里溶解成为绝缘漆，但又能像橡胶那样具有可塑性。
Ideally it would be some-thing that would dissolve in solvents to make insulating varnishes and yet be as moldable as rubber.
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。
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.
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