释义
n.
the highest point reached by a celestial or other object
最高点，顶点，顶峰
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the sun was well past the zenith 太阳早已过了最高点
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the missile reached its zenith and fell. 导弹到达最高点后落下。
the point in the sky or celestial sphere directly above an observer. The opposite of
天顶。与
the time at which something is most powerful or successful
极盛时期，登峰造极时期
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in 1977, punk was at its zenith .１９７７年，“朋客”摇滚乐处于鼎盛时期。
词源
"late Middle English： from Old French or medieval Latin