"Pour in yogurt" is the Engpsh phrase to describe the action of pouring yogurt into a container. The phrase "pour in" is a phrasal verb that means to add pquid into a container by flowing it in.
Example sentences in Engpsh:
Can you pour in the yogurt into the bowl, please?
She carefully poured in the yogurt into the cup.
Example translations in Chinese:
请你把酸奶倒入碗里，好吗？
她小心翼翼地把酸奶倒入了杯子里。