welcome 可以作名词 We gave our foreign teacher a warm welcome. 作动词 The foreign teacher was welcomed at our school. 做形容词 You're welcome. 后加to 表示‘欢迎到...' 作动词 后加back 表欢迎回来本回答被提问者采纳
第2个回答 2007-09-22
Welcome to Suzhou Welcome back to Suzhou Welcome home. Welcome back home. 有没有to取决于后面的单词。
第3个回答 2007-09-22
if a stranger comes to your place , you will use "welcome to ...." to show your kindness.
if your sister/brother comes back after a long journey, you will use "welcome back " instead of "welcome to ...",don't you?