Phrase
crude oil
原油
Unrefined oil found underground, composed mainly of hydrocarbons.
- 1.
Unrefined oil; as it is found underground, consisting mainly of hydrocarbons.
未提炼的石油；地下发现的,主要由碳氢化合物组成
未提炼的石油；地下发现的,主要由碳氢化合物组成；[化] 原油
In use
The country relies heavily on imported crude oil for its energy needs.
Crude oil prices have fluctuated wildly this year due to geopolitical tensions.
They are building a new pipeline to transport crude oil from the oil fields to the refinery.
crude oil
原油为不可数名词，作主语时谓语用单数。
Crude oil is a major export for many countries.
原油是许多国家的主要出口产品。
price of crude oil
也可用 crude oil prices 表示。
The price of crude oil has risen sharply.
原油价格大幅上涨。
extract crude oil from
常用动词包括 extract, produce, refine 等。
Companies extract crude oil from underground reservoirs.
公司从地下油藏中提取原油。
Common mistakes
The cost of a crude oil has increased.The cost of crude oil has increased.
原油是不可数名词，不能与不定冠词 'a' 连用。
The raw oil is stored in these tanks.The crude oil is stored in these tanks.
中文'原油'应译为 'crude oil'，'raw oil' 不是标准表达。
Connections
Confusing words
- petroleum
- 石油 · petroleum是石油的总称，包括原油和精炼产品；crude oil特指未经提炼的原油。
- crude (adjective)
- 粗糙的，简陋的 · crude作形容词表示粗糙或未经加工，与crude oil作为名词短语不同；crude oil中的crude是形容词修饰oil。
Word family
- crude oils
- plural
Learner notes
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.