insoluble /ɪnˈsɒljʊbəl/ TEM8

• 1. 

  ADJ An insoluble problem is so difficult that it is impossible to solve. 不能解决的

  例：

  I pushed the problem aside; at present it was insoluble.

  我把这个问题放到了一边；目前它是无法解决的。

• 2. 

  ADJ If a substance is insoluble, it does not dissolve in a liquid. 不溶解的

  例：

  Carotenes are insoluble in water and soluble in oils and fats.

  胡萝卜素不溶于水，但溶于油和脂肪。