controllern.
英 kən'trəʊlə | 美 kən'trolɚ
中文n. 控制器；管理员；主计长
词根词源
controller (n.)late 14c., from Anglo-French contrerolleour (late 13c.), Old French contrerelleor (Modern French contrôleur), from Medieval Latin contrarotulator, agent noun from *contra-rotulare (see control (v.)). Mechanical sense is from 1867.
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