英语翻译

问题描述:

英语翻译
1.Long ago london was not a clean city .there was a lot of smoke in the air because there were lots of factories this is not true today .the air there is quite clean now

很久以前伦敦不是一个很干净的城市.空气中弥漫着烟因为有很多工厂.现在情况不是这样了.空气现在很干净.