Japanese sushi is one of the most popular traditional food,.The main material of it is the cold rice seasoned with vinegar, plus fish, seafood, vegetables or eggs as an ingredient. It's delicious and it's popular among the Japanese.芝士主要由蛋白质、脂类等营养成分组成，同牛奶一样，含有丰富的钙、锌等矿物质及维生素A与B2外，还因其是经过发酵作用制成而使这些养份更易被人体吸收.芝士蛋糕就是用它做的..