freezing fresh preservation
freezing fresh preservation
冷冻保鲜
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Fresh vegetables quickly age and spoil, but their storage life can be extended by such preservation methods as dehydration, canning, freezing, fermenting, and pickling.
新鲜蔬菜很快会成熟和腐烂，但贮藏时是采脱水、罐装、冷藏、发酵和腌制方法，可使蔬菜仍是有生命的。
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