美国总统是最高行政长官。 The President of the US is the chief executive.
（古雅典的）执政官古代雅典的九名主要长官之一 One of the nine principal magistrates of ancient Athens.
行政长官，司法官古罗马共和国一年选举一次的司法官，位列执政官之下，但具有与执政官几乎相同的职权 An annually elected magistrate of the ancient Roman Republic, ranking below but having approximately the same functions as a consul.
他毕业后任地方行政长官。 He worked as a magistrate after graduation.
