n. the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected
n. 顶点；最高点；顶峰
1. The sun reached its zenith at noon, shining brightly in the sky.
太阳在中午达到了顶点，明亮地照耀在天空中。
2. She felt that her career was at its zenith after receiving the prestigious award.
她觉得在获得这个著名奖项后，她的职业生涯达到了巅峰。
3. The zenith of the mountain offered a breathtaking view of the valley below.
山顶提供了一个让人惊叹的山谷全景。