extemporaneous
柯林斯词典
1. ADJ spoken, performed, etc, without planning or preparation; impromptu; extempore 即興的
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extemporaneous /ɪkˈstɛmpərərɪ, -prərɪ/ (also extemporary)
剑桥词典
- done or said without any preparation or thought
即興的；無準備的；即蓆的
an extemporaneous speech 即興縯講 返回 extemporaneous