Opportunities are not offered. They must be wrested and worked for. And this calls for perseverance and courage.--Indira Gandhi机会不会从天而降，必须怀揣坚持与勇气去努力争取。 My perseverance was getting me somewhere.我锲而不舍，总算有了一些进展。Sometimes pe...
Perseverance is failing nineteen times and succeeding the twentieth.十九次失败,直到第二十次才获成功,这就是坚持。Fortitude indefatigability perseverance persevere tenacity.不屈不挠.With tact and perseverance he inveigled her into becoming his law...
介绍环己胺的性质 、 生产技术及应用.This article describes performance , productive technology and application of cyclohexylamine.本研究测定了CBS在不同浓度环己胺水溶液中的溶解度.The solubility of CBS in cyclohexylamine aqueous solution is measured.本文报告了精脒合成酶抑...
啊哈，我的问题到这儿终于有了答案。Aha! Here at last, the answer to my question.“啊哈！”戴夫令人气恼地点头说道。"Aha!" Dave nodded maddeningly.啊哈！原来我把它丢在这儿了！Aha! So that's where I left it!...