名词
中文翻译：主要清除
同义词：
['major action', 'major operation例句：1. The government has announced a major clearance of the polluted area.（政府宣布对污染区域进行大规模清理。）']
例句：
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1. The government has announced a major clearance of the polluted area.
政府宣布对污染区域进行大规模清理。
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2.The company is planning to carry out a major clearance of its old equipment.
该公司计划对其旧设备进行大规模清理。
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3. The road was cleared for traffic during the morning rush hour.
早上高峰时段，道路被清理以便通行。