governor

详细解释:n. (美)州长, (英)总督, 统治者, 管理者, 理事
【医】 节制器, 调节器
【经】 州长

英语解释：

名词 governor:

the head of a state governmenta control that maintains a steady speed in a machine (as by controlling the supply of fuel)同义词：regulator