ration

During World War II, many families had to use stamps to buy their weekly ration of sugar and butter.

(Chinese) 第二次世界大战期间，许多家庭不得不使用票证来购买每周配给的糖和黄油。

The hikers calculated their water ration carefully to ensure they would have enough for the entire desert crossing.

(Chinese) 徒步旅行者仔细计算了他们的水定额，以确保足够维持穿越整个沙漠。

After the main pipe burst, the city authorities had to ration water to all residential areas.

(Chinese) 主管道爆裂后，市政当局不得不对所有住宅区实行定量供水。

We must ration our remaining fuel if we hope to reach the next town before nightfall.

(Chinese) 如果我们希望在入夜前赶到下一个城镇，就必须节省使用剩余的燃料。