extempore
adj, adv (spoken or done) without previous thought or preparation; impromptu 无准备的; 即席的
an extempore speech 即席讲话
speak extempore, ie without notes 即席发言.
🗣️ 情景例句
Well, I have a scheduling problem.
嗯,我在排工作方面遇到困难。
Sorry to have kept you waiting.
抱歉使你久等了。
Since I'm here, I'd like to try a typical dish of this country.