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extinguished ɪks'tɪŋwɪʃt

v. 使熄灭, 扑灭( extinguish的过去式和过去分词 ); 使…不复存在

s. of a conditioned response; caused to die out because of the absence or withdrawal of reinforcement

原型: extinguish 原型变体: dp 过去分词: extinguished 过去式: extinguished

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