ex officio

英 [ˌeksə'fɪʃiəʊ] 美 [ˌeksə'fɪʃioʊ]

• adj. 依职权的
• adv. 依职权地

英英释义

Adjective:

1. by virtue of an office or position;

   "the head of the department serves as an ex officio member of the board"
   

Adverb:

1. by virtue of position;

   "the president sat on the committee ex officio"