名词
中文翻译：延伸
同义词：
['prolongation', 'expansion', "elongation例句：1. The company's new product line is an extension of its existing technology.（公司的新产品线是其现有技术的扩展。）2. The bridge was built to extend the highway beyond the city limits.（这座桥是为了将高速公路延伸到城市边界而建造的。）"]
例句：
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1. The company's new product line is an extension of its existing technology.
公司的新产品线是其现有技术的扩展。
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2. The bridge was built to extend the highway beyond the city limits.
这座桥是为了将高速公路延伸到城市边界而建造的。
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3.The scientist's research extended beyond the laboratory to include experiments in the field.
科学家的研究工作超出了实验室，扩展到了野外实验。