一、
Blue(100% red centre)> Rare/Bloody(75% red centre) > medium rare(50% red centre) > medium(25% red centre) > medium well(hint of pink) > well done(100% brown throughout)
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010_How Steak is cooked 牛排几分熟
原文：https://www.cnblogs.com/itcomputer/p/12094417.html
