extempore
adjective /ɪkˈstempəri/
/ɪkˈstempəri/
(formal)- spoken or done without any previous thought or preparation
synonym impromptu即席的;即兴的;无准备的 - an extempore speech
即席讲话
词源mid 16th cent.: from Latin ex tempore ‘on the spur of the moment’ (literally ‘out of the time’). - an extempore speech