动词中文翻译
中文翻译：使变硬
同义词：
['harden', 'stiffen', 'harden例句：1. The metal was acervated by the heat from the furnace.（金属因炉火的高温而变硬。）']
例句：
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1. The metal was acervated by the heat from the furnace.
金属因炉火的高温而变硬。
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2.The ground was acervated by the rain.
地面因雨水而变得坚硬。
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3. The paint on the walls has acervated over time.
墙上的油漆随着时间的推移已经变硬了。