英语翻译 酸奶的制作过程 翻译材料如下：

Question

一、 把纯牛奶加热到大约40℃，可用微波炉加热或放入开水中，酸牛奶 放在室温下。
二、 按纯牛奶4份，酸奶1份的比例，倒入小盆中，用干净筷子搅拌均匀。
三、 用保鲜膜封住盆口。
四、 把搅拌好的纯酸牛奶混合物放在暖气上，大约为25℃。
五、 6小时后，小盆中酸奶呈半凝固状表面洁白光滑，有酸奶香溢出。

Answer 1

First, the milk is heated to about 40 ℃, can be heated in a microwave or placed in boiling water, the yogurt at room temperature.
Second, according to four milk, yogurt 1 ratio into Xiaopen in, stir with a clean chopsticks.
Third, the sealed pot with plastic wrap.
Fourth, a good plain yogurt to stir the mixture on the radiator, about 25 ℃.
Five, six hours later, was a semi-solidified Xiaopen in the yogurt-like white and smooth surface, there is yogurt Hong overflow.

Answer 2

1. Warm up the pure milk till about 40℃. This can be done with microwave oven or putting in hot water, while keeping the sour milk under room temperature.
2. Mix pure milk with sour milk at the ratio of 1:4, and put the mixture into a small container mixed by clean chopsticks.
3. Seal the container with preservative film.
4. Put the mixture on the heater, which is about 25℃.
5. 6 hours later, the sour milk in the container is in semi-solid state with white and smooth surface and spilling the smell of sour milk.