They combine the base form of the verb with TO- the sign of the infinitive.

它把动词原形与不定式符号 To 起来。

Eventually, they combined their regional forms into one awesome new style that was even more powerful, jingxi.

最 把各自戏剧风在一起形成了一种更强大新风——京戏。

The word acronym fuses together two combining forms: acr-, meaning " beginning" and -onym, meaning " name" or " word" , both of which trace back to Greek.

首字母缩略词一词融了两种组形式：acr-，意思是“开始” 和-onym， 意思是“名称” 或“单词”，两者都可以追溯到希腊语。