ration
noun [ C ] uk/ˈræʃ.ən/ us/ˈræʃ.ən/
（尤指在分配物短缺时的）配给量，定量配给
a limited amount of something that one person is allowed to have, especially when there is not much of it available
During the war, no one was allowed more than their ration of food, clothing and fuel. 战争期间，所有人得到的食物、衣服和燃料都不得超过其配给量。
rations [ plural ] （尤指发给作战士兵的）口粮配给，口粮定量
the total amount of food that is given to someone to be eaten during a particular activity and in a particular period of time, especially an amount given to soldiers when they are fighting
Rations were frequently allocated in public to ensure fairness.
Officers were often able to buy their own supplies and thus supplement their rations.
We had to make our rations last.
We lived on rations for years during the war.
These people need emergency rations to survive.
Our rations while we were on deployment were disgusting.
合理的量;正常量;认为应该得到的量
an amount of something that you would expect to have
We've had more than our ration of problems recently. 最近我们遇到的问题很多，超出我们的能力范围了。
ration
verb [ T ] uk/ˈræʃ.ən/ us/ˈræʃ.ən/
对…实行配给；定量供应；限定…的量
to limit the amount of a particular thing that someone is allowed to have
Do you remember when petrol was rationed to five gallons a week? 你还记得以前每周配给5加仑汽油的时候吗？
My children would watch television all day long, but I ration it. 要不是我加以限制，孩子们会整天整天地看电视。
Phrasal verb
ration something out 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。