ration something out
phrasal verb with ration verb [ T ] uk/ˈræʃ.ən/ us/ˈræʃ.ən/
把（有限的东西）分给;均分（少量的东西）
to divide something between a group of people so that each person gets a small amount
Ann rationed out the cake between the children. 安把蛋糕平分给孩子们。