welcome中文翻译怎么说,welcome什么意思

"他的德语讲得很好"这句话翻译成德语是什么?
fun with english(7a) welcome to the unit & vocabulary.
of mutual benefit,we sincerely welcome business partner
牛津译林版必修5精品课件:unit 1 getting along with others welcome
英语:unit1buildingthefuture-welcomeandreading课件