名词
中文翻译：延伸
同义词：
['prolongation', 'elongation例句：1. The bridge is designed to extend over the river.（这座桥的设计是为了跨越河流。）2. The company has decided to expand its operations in Asia.（该公司已决定在亚洲扩大其业务。）3. The scientist extended his research into new areas of physics.（这位科学家将他的研究扩展到了物理学的新领域。）']
例句：
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1. The bridge is designed to extend over the river.
这座桥的设计是为了跨越河流。
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2. The company has decided to expand its operations in Asia.
该公司已决定在亚洲扩大其业务。
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3. The scientist extended his research into new areas of physics.
这位科学家将他的研究扩展到了物理学的新领域。