动词短语
中文翻译：快速冷却
同义词：
['quench', 'quenching', 'temper', 'harden']
例句：
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1. The steel was hotquenched to increase its strength.
钢材经过快速冷却以提高其强度。
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2. The metal is now tempered for better durability.
金属现在被淬火以获得更好的耐用性。
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3. The car was hardened to resist corrosion.
汽车被硬化以抵抗腐蚀。