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新东方-柯林斯雅思备考词典
insoluble
英 [ɪnˈsɒljʊbəl]
[ADJ]
1. 不能解决的
An insoluble problem is so difficult that it is impossible to solve.
双语例句
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. 不溶解的
If a substance is insoluble, it does not dissolve in a liquid.
双语例句
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。
例：A mask of pure insoluble collagen fibre is placed over the skin.
一张纯不溶性胶原纤维面膜敷于皮肤上。