推广
近义词与同义词
按词义分组列出，使用时请结合具体语境。
cause to become widely known; "spread information"; "circulate a rumor"; "broadcast the news"
act of extending over a wider scope or expanse of space or time
a message issued in behalf of some product or cause or idea or person or institution; "the packaging of new ideas"
基本解释
1.推衍扩大。
2.谓扩大施行或作用范围。