refrigeration [riˌfridʒə'reiʃən]

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附加级

n.冷藏，冷却

The decay of the meat could have been prevented by proper refrigeration. 如果经过适当的冷藏，这些肉本来不至于腐烂掉。
Lack of refrigeration turned the milk. 牛奶没有冷藏，变酸了。