用定语从句翻译下列句子
问题描述：
用定语从句翻译下列句子
1 吸烟对身体有害,但是,在当今社会很流行.2 你做这件事的方法是错误的.3 母语是易学的唯一一种语言.
答
1,Smoking is bad to your health,however,which is popular nowadays.
2,The way you did this is wrong.
3,Native language is the only language which is easy to learn.