heavy oil
heavy oil — 名詞
1. a thick, dark type of crude oil that is dense and does not flow easily at room t
重油
密度高、黏度大的原油
a thick, dark type of crude oil that is dense and does not flow easily at room temperature. Because it contains large amounts of carbon-rich molecules, extracting usable fuels from it requires more processing than with lighter oils.
The refinery in Batangas was built to process heavy oil from local wells.
八打雁的那座煉油廠是為處理當地油井產出的重油而建造的。
process heavy oil — verb + heavy oil as object
Ingrid explained that heavy oil must be heated before it can be pumped through pipelines.
Ingrid 解釋說，重油必須先加熱，才能透過管線輸送。
must be heated — modal passive showing handling requirement
Canadian companies invested more in heavy oil extraction when prices rose.
油價上漲時，加拿大企業在重油開採上投入了更多資金。
A heavy oil spill near the coast kept cleanup crews busy for six weeks.
海岸附近的重油外洩讓清理團隊忙了整整六週。
Faisal's team developed a new method to upgrade heavy oil into jet fuel more efficiently.
Faisal 的團隊開發出一種能更有效地將重油升級轉化為噴射機燃料的新方法。
- dense crude
less formal industry shorthand, used mainly in conversation or informal reports
- bitumen
a specific, extremely thick form of heavy oil found in oil sands; not interchangeable with all heavy oil grades
- light crude oil
lower-density crude that flows freely and requires less processing
- sweet crude
overlaps with light crude but refers to sulfur content rather than density; only a partial antonym
文法句型
[heavy oil] as a mass noun
用法筆記
Heavy oil is distinct from light crude oil because of its higher density and viscosity. It is often referred to in the context of oil sands, enhanced recovery, and upgrading processes.