名词
中文翻译：Unknown
同义词：
['apex', 'summit', 'zenith']
例句：
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1. The climber reached the peak of the mountain before sunset.
登山者在日落前登上了山顶。
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2. The company's performance has reached its peak in recent quarters.
该公司最近几个季度的业绩达到了顶峰。
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3. The economy is at a peak of prosperity.
经济正处于繁荣的顶峰。