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
He should just about get by in the exam.
他这次考试还能勉强及格。
He alone is poor who does not possess knowledge.
没有知识,才是贫穷。
Forty-two years later a tunnel was actually begun.