名词
中文翻译：七周
同义词：
['september', 'seven weeks']
例句：
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1.The heptad period is a critical time for the team to prepare for the next season.
七周是球队为下一个赛季做准备的关键时期。
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2. He spent his heptad in a remote village, learning about the local culture.
他在一个偏远的村庄度过了他的七周，学习了当地的文化。
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3.During the heptad, they had to work hard to improve their skills and performance.
在七周期间，他们必须努力提高技能和表现。