dual role

• 双重角色

dual role的用法和样例：

例句

1. The teachers are invariably responsible for carrying a dual role.
   老师常常要扮演双重角色。
2. We summarize the dual role of telomeres in cancer, and the relationship between telomerase activation and tumours.
   笔者综述了端粒的缩短所扮演的双重角色，以及端粒酶的激活与肿瘤之间的关系。