黄油是通过在搅拌桶里搅拌牛奶制成的.Butter is made by shaking up cream in a churn.混合机搅拌桶360度全方位旋转, 混合绝对均匀.The tumbling box can rotate 360 degree all directions, so the mixture is very even....

“搅拌桶”的英语可以翻译为：agitator，agitating vessel，agitation vat ...