insoluble
adj. 不能解决的,不溶的
An insoluble problem is so difficult that it is impossible to solve.
I pushed the problem aside; at present it was insoluble...
我把问题抛在一边,目前它还无法解决。
It was an insoluble dilemma and one which I could do nothing about.
那是个无法解决的两难局面,我无计可施。
If a substance is insoluble, it does not dissolve in a liquid.
Carotenes are insoluble in water and soluble in oils and fats.
胡萝卜素不溶于水,但可溶于油类和脂肪。
1. (of a substance) not easily dissolved
2. admitting of no solution or explanation;
3. without hope of solution;
Many substance which are insoluble in water wil dissolve in another solvent.
许多物质是不溶于水便会溶解在另一溶剂.
Polyacrylonitrile is insoluble in acrylonitrile.
聚丙烯腈不溶于丙烯腈.
Philosophy: unintelligible answers to insoluble problems.
哲学: 是对难以解释的问题作出的难以理解的答案.
Starch granules are relatively dense and insoluble and hydrate only slightly in coldwater.
淀粉颗粒相当致密、不溶,在冷水中仅微量水合.
Titania and titanate photocatalysts, which are nontoxic, insoluble, have a good prospect in dye wastewater treatment.
氧化钛、钛酸(钠)无毒 、 水中稳定性好、光催化活性高, 在印染废水处理中具有较好的应用前景.