The paper discusses a new method for producing cupric feed copper sulfate by chalcocite and ehalcopyite.介绍了用辉、黄铜精矿制备饲料级硫酸铜的新方法.More and more companies have gone 'green' and started producing so-called environme...
Fast work by the police in Birmingham had started producing circumstantial evidence.快速开展工作的伯明翰警方已经开始发现间接证据。It was obscene to spend millions producing unwanted food.耗资数百万去生产一些不需要的食品，真是令人发指。The committee is stacked with me...
His re-election campaign is floundering.他寻求连任的竞选运动陷入了僵局。Three men were floundering about in the water.有 3 个人在水中挣扎。His abrupt change of subject left her floundering helplessly.他突然改变话题，使她茫然不知所措。Right now, you've got a...
Leonard pottered round the greenhouse, tying up canes for the tomatoes.伦纳德在温室里悠然自得地给西红柿绑上撑杆。It's no use tying it; you have to glue it.捆它没用, 你必须用胶把它粘上.He spent two hours tying all the parcels with string.他花了两个小时用绳捆扎所...