酸奶是含有活性菌的乳酸菌发酵奶，这些活性菌能够帮助我们的肠道运动，增加我们的免疫力。

Yogurt is bacterial fermented milk with live active cultures. Those live active cultures are the good bacteria that increase the beneficial bacteria in our digestive tract and help boost immunity.

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研究了以板栗和脱脂奶为原料进行乳酸发酵的生产工艺技术。

This paper studies the processing technology that produces a lactic acid bacteria drink with chestnut and skim milk.

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