名词
中文翻译：延伸
同义词：
['prolongation', 'expansion']
例句：
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1.The company has extended its reach to new markets.
该公司已经将业务拓展到新的市场。
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2.The team extended their lead in the race.
队伍在比赛中扩大了领先优势。
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3.The scientist extended his theory to explain the phenomenon.
科学家将他的理论扩展到解释这一现象。