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...
When you make meatball you must hash ( up ) meat.做肉 丸子 时,你一定要把肉切碎.Just looking at that meatball face of his will make people feel full, " he said.看见他那个四喜丸子的脸,人就饱了. ”IT is so thin, It'swallowed a meatball and were IT...