- 重点词汇
- 相关例句
On the eve of the Revolution, the colonies produced thirty thousand tons of crude iron a year.
独立战争前夕,北美十三州每年生产3万吨生铁。
《柯林斯高阶英汉双解学习词典》
It was soon found that the kerosene straight from crude oil was sometimes not very satisfactory.
不久就发现原油中的直馏煤油有时并不使人满意.
词典精选例句
The term crude oil is restricted to liquid mixtures of hydrocarbons and related compounds.
原油这个术语是指烃类和与烃类有关的化合物的液态混合物.
词典精选例句
