名词
中文翻译：抗洪剂
同义词：
['flood control agent', 'flood prevention agent']
例句：
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1. The anti-flooding agent was designed to prevent the water from entering the building.
这种抗洪剂被设计用来防止水进入建筑物。
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2. The engineers used this anti-flooding agent to treat the river for flood prevention.
工程师们使用这种抗洪剂来处理河流，以预防洪水。
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3. The government has been using this anti-flooding agent to protect the city from future floods.
政府一直在使用这种抗洪剂来保护城市免受未来的洪水侵袭。