measure something out
phrasal verb with measure verb uk/ˈmeʒ.ər/ us/ˈmeʒ.ɚ/
量出，称出
to weigh or measure a small amount of something from a larger amount of something
Measure out 250 grams of flour and sift it into a large mixing bowl. 称出250克的面粉，并将其筛入一只可供搅拌的大碗中。