记忆方法
双解例句
小知识
When you ration your supplies, you dole them out a little at a time. A ration is also a wartime military meal, or the portion of food that someone is allowed in times of scarcity.
A ration is the fixed portion of food or other goods allowed to each person in times of shortages. In the military, a soldier’s meal is called a ration, especially if it’s portable. As a verb, to ration something is to allow each person to have only a specific amount. During times of war many things have been rationed: gas, rubber, luxury items, and food. If you are diabetic you need to strictly ration your sugar intake.
实用短语
常用短语
单词用法
词根词缀
词根: rat
=calculate,表示”计算,考虑”
adj.
rational 理性的,合理的ration[n.理性,定量]+al……的→理性的,合理的
n.
rate 比率;等级;价格,费用rat计算,考虑+e→估价;评价→比率;等级
ratio 比,比率,比例rat计算,考虑+io→n.比,比率,比例
ration 理性,定量rat计算,考虑+ion→计算出来的量→定量,引申为理性
rational [数]有理数ration[n.理性,定量]+al……的→理性的,合理的
v.
rate 估价;评价rat计算,考虑+e→估价;评价→比率;等级
ratify 批准,认可,追认rat计算,考虑+ify表动词→通过计算证实
同义词
同根词
词根:ration
adj.rational合理的;理性的
n.rational有理数
rationing[计划] 定量配给
vi.rationalize实行合理化;作辩解;合理地思考
vt.rationalize使……合理化;使……有理化;为……找借口