impromptu remarks

• 即席的评论

impromptu remarks的用法和样例：

例句

1. It usually takes me more than three weeks to prepare a good impromptu speech.
   为了准备一则即席的好讲辞，我通常要三个星期以上。
2. I was too nervous to remember what I had said in the impromptu speech.
   在即席的演说中，我太紧张而不记得我说了什么。