Impro
n. 即兴表演（等于improvisation）
🗣️ 情景例句
I expected something better.
我所期望的比这要好。
You can't get it any cheaper than this.
这再便宜你就买不到了。
It was necessary, therefore, to invent instruments that neither slumbered nor slept.
因此，有必要发明一种仪器，既不打盹儿，也不睡觉。