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单词
extemporaneous
释义
extemporaneous
ADJ
FORMAL
/ɪkˌstempəˈreɪniəs/
said or done without preparing or practising 即席的；即兴的；无准备的
an extemporaneous speech
即席讲话
DERIVED WORD
extemporaneously
adv
extemporaneousness
noun
U