He delivered one of his longest and most important speeches at Pueblo, Colorado, on September 25.9月25日,他在科罗拉多的普韦布洛发表他最长而且最重要的演说之一.In 2003, the city of Pueblo , Colorado passed a law making public places and workplaces sm...
Polyether - type isocyanate prepolymers are prepared with polyether polyols and tolylene diisocyanate.采用聚醚多元醇和甲苯二异氰酸酯合成了聚醚型异氰酸酯预聚体.A polyamide imide was synthesized from trimellitic anhydride and di isocyanate.本文用偏苯三酸酐和二...
They neglect their duty at the least hint of fun elsewhere.别处哪怕发生一丁点儿乐事，他们便会忘记自己的职责。I glanced at her and saw no hint of irony on her face.我瞥了她一眼，没有在她的脸上看到一丝嘲弄。I'd dropped a hint about having an exhibition of his wor...