英语翻译It is 3 years since they got marriedIt is 3 years since they married求翻译.为什么都是since可意思完全不一样诶

It is 3 years since I smoked.意思?语法好的看看我在知道上看到的,关于since 用法别人提供的一个回答.eg.It is 5 years since I have lived here.(live为延续性v.故直译为自从我住在这儿已经5年了.) It is 5 years si 英语翻译是不是翻译为：it is 3 years since he has smoked. 英语翻译It is 3 years since they got marriedIt is 3 years since they married求翻译.为什么都是since可意思完全不一样诶 英语翻译China is so big it can absorb years and years of public-works spending without waste becoming a drag. it is 3 years since Tom has been abroad 英语翻译it is 10 years since I studied English1 帮我直译你们全错 哈哈 Your room is si dirty.You must____ it clean. It is a pleasure!zhong wen yi si? 谁能用英语翻译From the dates marked,it is conformed that it was made five hundreds years ago的意 It is five years since he smoked It is been years的句子结构 It is 3 years since he joined the army.为什么用is不用has been 英语翻译It is believed that china has teaplants as early as five to six thousand years ago ,and human development of teaplants dates back two thousand years. 英语翻译例如：It is the first worldwide epidemic disignated by the World Health Organization in 41 years.怎样翻译in 41 years? 英语翻译it is 2 years since I bought the book.要求since翻译出来呀.Thank you 英语翻译It will be 5 years before the project is finished 后面要不要用has been啊? 英语翻译it is wholly collaborative,except for those rare flashes of onanistic brilliance that we all hope pepper our years. it is 3 years since he has been a doctor 怎么翻?还有it is 3 years since he was a doctor 怎么翻译1?