介词短语
中文翻译：不少于
同义词：
['at least', 'not merely', 'not merely']
例句：
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1.The project must be completed by the end of next month.
这个项目必须在下个月的月底前完成。
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2. She has not only won the championship but also received a medal.
她不仅赢得了冠军，还获得了一枚奖牌。
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3.He has not less than 100 students in his class.
他的班级至少有100名学生。