当权

例句：

1. 1. The prime minister is in charge of the country's foreign policy.
   首相负责国家的外交政策。
2. 2. She has been in power for over a decade now.
   她已经掌权十多年了。
3. 3. He was appointed as the head of the new department.
   他被任命担任新部门的负责人。