疾病定义

muscle definition───肌肉定义

precise definition───[计]精确定义

broad definition───广泛的定义

dictionary definition───词典中的定义

high definition───[电视]高清晰度

legal definition───法律定义

self-definition───自我定义

A new disease is, by definition, poorly understood as it emerges.───通过定义就可看出，当一个新的疾病刚开始出现时，人们对它的认识并不透彻。

definition of Euthanasia as given by the Oxford English Dictionary is: "the painless killing of a patient suffering from an incurable disease or in an irreversible coma".───关于安乐死的定义牛津英语词典给出的解释是：“无痛杀死一个患有不治之症或深度昏迷状态的病人。

By definition, the eradication of a disease requires cooperation from every single country in the world.───其定义而言，根除一种疾病要求世界上每一个国家通力合作。