be in the ascendant

例句：

1. 1. The sunis rising over the horizon, signaling thestart of a new day.
   太阳在地平线上升起，标志着新的一天的开始。
2. 2.The political ascendant has beengaining more power in recent years.
   政治势力近年来一直在增强。
3. 3. The company's stockprice has been on an ascendant since its IPO.
   该公司的股票自上市以来一直在上涨。