博士的英文是Doctor，缩写为PH.D。Doctor的例句：She had no doubt that it was he who had doctored her milk（她毫不怀疑是他在她的牛奶里下了药）。

Doctor的例句：They doctored the prints to make her look as awful as possible（他们修改了照片，尽可能地丑化她的容貌）；Doctor Paige will be here right after lunch to see her（佩奇医生一吃完午饭就会来这儿看她）。