refined是什么意思

实用例句

1. El Salvador produces 100,000 tons of refined copper annually.

萨尔瓦多每年生产10万吨纯铜。来自柯林斯例句

2. This technique is becoming more refined and more acceptable all the time.

这种技术变得越来越完善，越来越受人欢迎。来自柯林斯例句

3. His speech and manner are refined.

他谈吐优雅，彬彬有礼。来自柯林斯例句

4. It's a good idea to avoid refined food.

最好少**加工食品。来自柯林斯例句

5. Much of the really nutritive material actually was refined out of food.

大部分真正有营养价值的物质实际上已从食物中提炼出来.来自《简明英汉词典》