El Salvador produces 100,000 tons of refined copper annually.萨尔瓦多每年生产10万吨纯铜。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。His speech and manner are refined.他谈吐优雅，彬彬有礼。...
Luxury retailers like Gucci go after your sense of the chic and refined.像Gucci那样的奢侈品零售商做的就是你那高品位的生意了.Capsicine is a kind of natural plant alkaloid extracted and refined from chilies with special crafts.辣椒碱是用先进的萃取精制工艺,从红辣...
He pushed everyone full speed ahead until production hit a bottleneck.他催促所有人拼命干活，直到生产遭遇瓶颈。The transportation bottleneck has blocked the movement of the cargo.运输的困难阻塞了货物的流通.China's strained railroads already become a...