| 词汇 | economical |
| 释义 | economical /iːkəˈnɔmɪk(ə)l/ adj.节省的Going by train is more economical than going by plane.坐火车比坐飞机更节约。 Bicycles are regarded as an economical alternative to buses whose fares have increased 5 times in the past 3 years.自行车被看成是比公共汽车更实惠的交通工具，因为公共汽车票价在最近三年内涨了五倍。 A small car is more economical than a large one, because it uses less petrol.小的汽车比大的节约，因为它耗油较少。 |
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