officially

1.正式地；官方地；公开地publicly and by sb who is in a position of authority

2.依据法规等according to a particular set of rules, laws, etc.

3.据传；据公布according to information that has been told to the public but that may not be true

1.以职员身分;用职权;职务上;正式;

1.The derivative of official

2.publicly and formally

3.according to what governments or people in authority say, although it may not be true; according to what people say publicly, although they know it is not true