专任的

例句：

1. 1. He is a professional musician, specializing in classical music.
   他是一个专业的音乐家，专门从事古典音乐。
2. 2. The company has appointed a new manager to take over the department's responsibilities.
   公司已经任命了一位新的经理来接管该部门的职能。
3. 3. The teacher was assigned to teach English for the next three months.
   这位老师被分配在接下来的三个月里教授英语。