insoluble
柯林斯词典
1. ADJ An insoluble problem is so difficult that it is impossible to solve. 不能解決的
I pushed the problem aside; at present it was insoluble. 我把這個問題放到了一邊；目前它是無法解決的。
2. ADJ If a substance is insoluble, it does not dissolve in a liquid. 不溶解的
Carotenes are insoluble in water and soluble in oils and fats. 衚蘿蔔素不溶於水，但溶於油和脂肪。
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insoluble /ɪnˈsɒljʊbəl/
剑桥词典
insoluble adjective (PROBLEM)
(US also insolvable)(of a problem ) so difficult that it is impossible to solve
（問題）無法解決的
Traffic congestion in large cities seems to be an insoluble problem . 大城市的交通堵塞問題似乎無法解決。
insoluble adjective (SUBSTANCE)
(of a substance ) impossible to dissolve
（物質）不能溶解的
These minerals are all insoluble in water . 這些鑛物質都不溶於水。 返回 insoluble