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- We should practice economy even if we are rich. 即使我们富裕了也仍应该厉行节约。
- Indonesia is abundant in petroleum deposits. 印尼的石油蕴藏量丰富。
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- A trademark used for a brand of petroleum jelly. 凡士林用来作为石油脂的商标
- The local economy is now in a mess. 当地的经济现在很混乱。
- Taiwan seems to contain no petroleum. 台湾恐怕没有蕴藏石油吧！
- This land is rich with petroleum. 这片土地盛产石油。
- The economy should be shaped to a new pattern. 经济应该适合于一种新的模式。
- Technology is a booming sector of the economy. 技术是一个迅速发展的经济部门。
- The chemistry of petroleum and its derivatives. 石油化学石油及其复合物的化学
- The state of the economy is very worrying. 目前的经济状况令人十分担忧。
- Petroleum can be used to produce various chemical products. 石油可用于生产多种化学产品。
- The expanding economy enriched the peasants. 不断发展的经济使农民们富裕起来。
- The new model delivers speed and fuel economy. 这种新型设计能提高速度、 节约燃料。
- The economy of the country is at a low ebb. 该国的经济处於衰退阶段。
- An organic derivative, such as coal or petroleum. 有机衍生物一种有机衍生物，如煤或石油
- I travel economy class because it is cheaper. 我坐经济舱旅游是因为便宜。
- I'll need an economy class, three-day return. 我要一张3天回程的经济舱来回票。
- One economy class seat, is that right? 一个经济舱座位，对吗？
