sān / gè / zhǔ / yào / zhèng / dǎng / zài / yì / huì / zhōng / xíng / chéng / sān / quán / dǐng / lì / de / jú / miàn

三个主要政党在议会中形成三权鼎立的局面。

The three major parties formed a three-way balance of power in parliament.