a cancer drug抗癌药物双语例句With this guidance, physicians could avoid the current trial-and-error approach that in some cases exposes patients to the toxic side effects of a cancer drug that is destined to be ineffective.有了这个指导下,医生可避免目前的尝试和错误的做法,在某些情况下,使患者的抗癌药物,它注定是无效的毒副作用。