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
I'm listening.
那就说吧。
He learns Japanese every day.
他每天都学日语。
Yes. Wash your hands with soap at the end of your experiment.