半生牛排中的红色汁不是血--这是肌血球素，也是血的近亲。
The red juice that comes out of rare steak is not blood ?it is myoglobin a close relative of blood. Almost all the blood has been removed from a steak by the time it hits the market.
半生牛排中的红色汁不是血--这是肌血球素，也是血的近亲。
The red juice that comes out of rare steak is not blood ?it is myoglobin a close relative of blood. Almost all the blood has been removed from a steak by the time it hits the market.
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