prime word

例句：

1. 1.The prime minister is expected to make a decision soon.
   首相预计将很快做出决定。
2. 2. This is the prime of the season.
   这是季节的高峰期。
3. 3.The prime minister's speech was a turning point in the negotiations.
   首相的演讲是谈判中的一个转折点。