commissioner的解释
n. 委员,理事,行政长官
commissioner的例句
The old man was a police commissioner before his retirement.
这位老人退休前是警察局长。

Australian politician who served three terms as prime minister between1908 and1915 and was Australian high commissioner in London(1916-1921).
费歇尔，约翰·阿巴思诺特1841－1920英国海军上将，改革英国海军使之重振威风，为一战作了准备