insoluble
adj. 不能解決的,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...
我把問題拋在一邊,目前它還無法解決。
It was an insoluble dilemma and one which I could do nothing about.
那是個無法解決的兩難局面,我無計可施。
If a substance is insoluble, it does not dissolve in a liquid.
Carotenes are insoluble in water and soluble in oils and fats.
胡蘿蔔素不溶於水,但可溶於油類和脂肪。
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.
許多物質是不溶於水便會溶解在另一溶劑.
Polyacrylonitrile is insoluble in acrylonitrile.
聚丙烯腈不溶於丙烯腈.
Philosophy: unintelligible answers to insoluble problems.
哲學: 是對難以解釋的問題作出的難以理解的答案.
Starch granules are relatively dense and insoluble and hydrate only slightly in coldwater.
澱粉顆粒相當緻密、不溶,在冷水中僅微量水合.
Titania and titanate photocatalysts, which are nontoxic, insoluble, have a good prospect in dye wastewater treatment.
氧化鈦、鈦酸(鈉)無毒 、 水中穩定性好、光催化活性高, 在印染廢水處理中具有較好的應用前景.