During the twenties and thirties, local labor unions sprang up in all industrial centers and they led almost immediately to city federations of the several crafts.
在二三十年代，地方工会在所有工业中心如雨后春笋般涌现， 它们几乎立即导致了几个行业的城市联合会。
英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。