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- I lay no claim to being an expert economist. 我决不自命为经济学专家。
- Indonesia is abundant in petroleum deposits. 印尼的石油蕴藏量丰富。
- The famous economist gave us a speech. 这位著名的经济学家给我们做了一次演讲。
- She was an economist of considerable standing. 她是个有相当声誉的经济学家。
- 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
- 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 chemistry of petroleum and its derivatives. 石油化学石油及其复合物的化学
- Petroleum can be used to produce various chemical products. 石油可用于生产多种化学产品。
- petroleum economist 石油经济学家
- 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
- Crude oil can be refined into various petroleum products. 原油可炼制成各种石油产品。
- An American economist said that protective duties and tariff wars are no less costly than armed peace or real warfare. 一位美国经济学家说，保护关税和关税战所造成的损害不亚于武装和平或真正的战争。
- Professor Brown, the famous economist. 著名的经济学家布朗教授。
- Kenya's new leader is a former economist. 肯尼亚的新领袖曾经是个经济学家。
- The increasing army of the unemployed has attracted the attention of the economist. 不断增长的失业大军引起了这名经济学家的关注。
- The petroleum price will be unfrozen next month. 对石油价格的限制将于下月取消。
- Is Marx an institutional economist? 马克思是制度经济学家吗?
- Professor Brown,the famous economist. 著名的经济学家布朗教授。
