提炼 tíliàn to extract (ore, minerals etc)
to extract (ore, minerals etc); to refine; to purify; to process
How to remember 提炼: 提 carry + 炼 refine = to extract (ore, minerals etc).
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How it is used
- To refine or extract - 从原油中提炼汽油 (cóng yuányóu zhōng tíliàn qìyóu) refine gasoline from crude oil; 提炼主题 (tíliàn zhǔtí) distill the theme.
- Both chemical refining of a substance and abstracting the essence from raw material or ideas.