presidential primary

基本解释

America's biggest state moves to up-end the presidential primary system
美最大的州要颠覆总统初选体系
Clinton, during the US presidential primary contest against Obama, repeatedly pushed for a tougher approach along the lines of that now being adopted.
希拉里竞选总统期间就反复提到的对伊强硬政策现在终于得到施行。
Venezuela’s opposition, too, must adapt to these uncertainties. Gathered in the Democratic Unity coalition, it plans to select a presidential candidate in a primary in February.
委国的反对派同样在增加局面的不确定性，民盟召集人员，打算在大选的第一阶段推出自己的总统候选人。

He asked Democrats for their support in the party's presidential primary elections in nineteen sixty-eight.
The primary election in New Hampshire was the first step of the presidential nominating process.

Never mind that the early April election just happens to be the GOP presidential primary.
FORBES: Wisconsin Democrats Fret Over Strategy For Walker Recall
Most of the action unfolds in Ohio, where Morris is running in a Presidential primary.
NEWYORKER: Primary Suspect