unrefined oil

基本解释

When heated to a moderate frying temperature of 350 degrees, only the unrefined sesame oil had a distinctive flavor.
在油煎的中等溫度350度時，衹有非精制的芝麻油有別樣的味道。
A containment pond holds tar sands tailings, consisting of a mixture of sand, water, and toxic chemicals that remain after the unrefined oil products have been extracted.
圖爲汙水池裡的油砂殘渣，其中混有沙子、汙水以及萃取未精鍊的石油産品後所殘畱的有毒化學物質。
Africa is mostly exporting oil and other unrefined natural resources, in return for cheap manufactured goods like perfume, clothes and computers.
非洲主要靠出口石油和其他未經提鍊的自然資源換取諸如香水、服裝和電腦等價格低廉的工業制成品。

For now, China has to blend Venezuela's oil with lighter crudes or sell it unrefined.
FORBES: Energy Outlook 2009