名词
中文翻译：Unknown
同义词：
['1. pivot', 'key point', 'turning point']
例句：
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2.
比喻
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3.
比喻
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3. pinnacle, zenith, summit例句：1. The farmer carefully hoed the soil to prepare for planting.
农民小心翼翼地翻松土壤，为播种做准备。
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2. At the crux of the matter, the truth was hidden from everyone.
在这个问题的核心，真相被所有人隐藏了。
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3. The project reached its zenith in the early 2000s.
该项目在21世纪初达到了顶峰。