名词
中文翻译：延伸
同义词：
['expand', 'extend', 'prolong']
例句：
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1.The company's new product line will significantly expand its market share.
公司的新产品线将显著扩大其市场份额。
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2. The train's length was extended to accommodate more passengers.
火车的长度被延长以容纳更多的乘客。
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3. The bridge is designed to extend over the river for easy access.
这座桥的设计是为了跨越河流，以便方便通行。