insolvable
adj. 不能溶解的,不能解決的
1. not easily solved;
Pigment is insolvable. So choose the ink which is easily dispersable.
顏料是不能溶解的, 所以請選擇易分散的墨水.
Kieslowski handles the most insolvable ethical dilemma here.
但這只是女孩看到的片面真實而已.
abstruse