她使牛奶凝固。
这非同寻常，因为据认为人们是在偶然的情况下才发明了奶酪：用动物内脏制成的袋子来装运牛奶，而动物内脏含有可凝固牛奶的凝乳酶。 薣。
This is unusual as it is thought thatpeople first stumbled across making cheese by carrying milk in bags made ofanimal guts, which contained rennet that curdled the milk.
生产乳酪要求使用酶凝结或凝固牛奶，还要添加其他用于不同功效的原料。
The production of cheese requires the use of enzymes to coagulate or curdle the milk and the addition of other ingredients for various functions.
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