Cheese is made by separating milk into curd and whey by applying heat and adding cultures.

奶酪是通过加热和添加培养物，从而将牛奶分离成凝乳和乳清而制成的。

This is cut to form curds and whey.

将其切成凝乳和乳清。

The curds and whey are heated to about 40 degrees Celsius to make the curds solid.

将凝乳和乳清加热到约 40 摄氏度，使凝乳凝固。