A person who holds an office or a position of authority,such as one who presides over a meeting or administers a department of instruction at a college,a chairperson.是什么意思_A person who holds an office or a position of authority,such as one who presides over a meeting or administers a department of instruction at a college,a chairperson.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句