动词短语
中文翻译：宣布与
同义词：
['launch an attack on', 'declare hostilities against', 'declare war upon']
例句：
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1. The government declared war against the rebels last year.
去年政府宣布与叛军开战。
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2. The company declared war against its competitors in the market.
该公司在市场中宣战，对抗竞争对手。
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3.The president declared war against terrorism.
总统宣布与恐怖主义作战。