If you improvise, you make or do something using whatever you have or without having planned it in advance. 临时拼凑
verb [vt. 及物动词] 即兴表演，即兴创作；临时做，临时凑成
When performers improvise, they invent music or words as they play, sing, or speak. 即兴演奏; 即席演说 The vet had improvised a harness. 兽医临时凑成了一套马具。
- improvise 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 46 Hobbies improvise 动词: 临时作成
