[jīng liàn]
(提煉; 除去雜質(zhì)) refine; purify affinage; fining; softening; exaltation; fluxing; improving; refining
fire refining
火法精煉
vacuum refining
真空精煉
(精練) concise; succinct; terse
get an article down to quintessense in a few paragraphs
把一篇文章壓縮精煉成幾段