名词
中文翻译：拓宽
同义词：
['enlarging', 'extension', 'expansion']
例句：
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1.The company has been expanding its operations in the new market.
该公司一直在新市场扩展其业务。
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2.The road is being broadened to accommodate more traffic.
道路正在扩建以容纳更多的交通。
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3. The government is working on a plan to broaden the national park.
政府正在制定一个计划来扩大国家公园。