在用水以前先将其中不清洁的东西过滤掉.Filter out all the dirt before using the water.清洁的衣服和良好的举止能给人以好感.Clean clothes and good manners are prepossessing.和孩子讨论污染问题，强调清洁的街道、草地或公园有多么美丽。Discuss pollution with your child, emphasizing how nice a ...
METHODS: Its optimal extractive condition was found by right - cross test.方法: 用正交试验法得到最佳提取条件.Extractive distillation is an important separation process in chemical industry.萃取精馏是化学工业中重要的分离方法之一.Extractive industry, howeve...
Why do you wear that ring on first finger?你怎么把那戒指戴在食指上?In Spain, snapping the thumb and first finger a few times is a form of applause.在西班牙, 将拇指和食指放在一起打响指是欢呼的一种形式....
Objective: To analyse and report the reconstruction of forearm function by fibular transfer with vascular anastomoses.文摘: 目的:分析和报道吻合血管的腓骨移植重建前臂功能的效果.Results The anastomoses of 22 cases were all successful.结果22例手术均一次顺利成功....
该联盟已致函苏黎世，要求将情况解释清楚。The union has written to Zurich asking for clarification of the situation.在20世纪80年代，吸毒者在苏黎世是被众人所唾弃的。Back in the 1980s drug users were a public nuisance in Zurich.苏黎世的金价下挫2美元，以385.50元开盘。Gold declined $...