a speech given extempore的用法和样例：
- A proposal to drink to someone or something or a speech given before the taking of such a drink.
- I had to give a speech to the press club.
- Pierre de Coubertin got the creed from a speech given by Bishop Ethelbert Talbot at a service for Olympic champions during the 1908 Olympic Games.
- The new Pope will give a speech tomorrow.