1. 名詞
   即席創作, 即席之作
   即興作品, 即興演唱
   即興演說
   /此名詞可為可數與不可數名詞/
   /複數為"improvisations"/
   

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

例句

1. These bands did little improvisation .
2. Improvisation means work with what you've got.
3. There is one rule for a successful improvisation .
4. There was very little room left for improvisation .
5. A little clap greeted this brilliant improvisation .
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