adj.不能溶解的；不能解決的

There are some insolvable problems facing the music education in regular schools. 音樂課越來越陷入唯美的泥潭,成了面向少數(shù)學(xué)生、演給少數(shù)人看的“節(jié)目”。

Solvability is very important for anti-cancer drugs but taxol is almost insolvable in water (its maximum solubility is about 20mg/L). 水溶性對抗癌藥物非常重要，但是紫杉醇在水中幾乎不能溶解（它的最大溶解度大約是20mg/L）。

As an ethical concept, the metaphysical concept of "fidelity" tries to fetter translation onto the two poles of "faithful" and "unfaithful", thus incurring a number of insolvable problems. 摘要作為一個(gè)倫理概念，形而上學(xué)的“忠實(shí)”觀念試圖將翻譯束縛在“忠”與“不忠”的兩個(gè)極端，從而引起了一系列無法解決的問題。

15、These two factors combined to make the problem insolvable. 這兩個(gè)因素結(jié)合在一起，使這個(gè)問題無法解決。

a seemingly insolvable problem. 好象難以解決的問題