提炼

tíliàn

HSK 7

提炼 — tíliàn

1. to extract or refine (minerals, oil, etc.); to purify; to process

   这家工厂专门提炼石油和天然气。 zhèjiā gōngchǎng zhuānmén tíliàn shíyóu hé tiānránqì — This factory specializes in refining oil and natural gas.