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...
'Who is it?' he called. — 'It's your neighbor.'...“是谁啊?”他问道。——“是你的邻居。”She peeks at her neighbor from the curtain.她从窗帘后面窥视她的邻居.I stand outside chatt with my next door neighbor.我站在外面和隔壁邻居聊天.Mrs. Sm...
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....