Zend

例句：

1. 1.The sun sets at the zenith of the day.
   太阳在一天中的最高点落下。
2. 2. The zenith of his career was in his early thirties.
   他职业生涯的巅峰时期是三十几岁。
3. 3.The zenith of the competition was a thrilling finish.
   比赛的高潮是一场令人兴奋的结束。