他们手上满是油墨。They get their hands covered in newsprint.它是用红油墨印在纸上的.It is printed in red ink on paper.为了制作一幅多色地图,需要制作适用于各色印刷油墨的印刷板.To produce a multicoloured map a separate printing plate is required for each colour of ink....
This is called nesting or cocooning.这就是所谓的筑巢或结茧.The technique of comprehensive cocooning can keep the cocooned from rusting for 2 - 5 years.综合封存技术可以保证被封存件2 ～ 5年不生锈....
一种叫作吡啶酮的新型抗艾滋病药物能促使艾滋病毒变异，使其不能繁殖，也不会再感染新的细胞。A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells.用胺作为质子吸收体代替吡啶还是得到同样的结果.Amines other than pyridines have b...