refined是什麽意思

refined

英 [rɪ'faɪnd] 美 [rɪ'faɪnd]

adj. [油氣][化工][冶] 精煉的；精確的；微妙的；有教養的

英文詞源

refined (adj.): 1570s, "subtle;" 1580s, "elegant;" 1590s, "purified," past participle adjective from refine (v.).

雙語例句

1. El Salvador produces 100,000 tons of refined copper annually.: 薩爾瓦多每年生產10萬噸純銅。

2. This technique is becoming more refined and more acceptable all the time.: 這種技術變得越來越完善，越來越受人歡迎。

3. His speech and manner are refined.: 他談吐優雅，彬彬有禮。

4. It's a good idea to avoid refined food.: 最好少**加工食品。

5. Much of the really nutritive material actually was refined out of food.: 大部分真正有營養價值的物質實際上已從食物中提煉出來.

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