0 to make a substance pure by removing other substances from it -- raffinare
1 to improve an idea, method, system, etc. by making small changes -- migliorare, perfezionare
2 to make (a substance eg sugar) pure by taking out dirt, waste substances etc -- raffinare
Oil is refined before it is used.
3 to improve -- migliorare
We have refined our techniques considerably since the work began.
中文繁体
(尤指去除不需要的雜質而)精煉,提煉,提純, 改進, 完善…
More中文简体
(尤指去除不需要的杂质而)精炼,提炼,提纯, 改进, 完善…
MoreEspañol
refinar, perfeccionar…
MorePortuguês
refinar, aperfeiçoar…
More日本語
~を精製する, ~から不純物を取り除く, ~を改善する…
MoreTürk dili
arıtmak, saflaştırmak, rafine etmek…
MoreFrançais
raffiner, affiner, perfectionner…
MoreCatalan
refinar, perfeccionar…
More