1. 名詞
   improvisation複數: 即席創作, 即席之作
   即興作品, 即興演唱
   即興演說
   

   同義字詞
   ad-lib,extemporization,impromptu,improv
   

例句

1. Many of his improvisations were brilliant.
2. They are both improvisations based on observation.
3. Frances-Marie Uitti: Three Improvisations (recorded).
4. They hardly brought out their solos and improvisations .
5. The "design" was characterized by a host of improvisations .
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