名词
2. The mother had a difficult delivery.
那位母亲难产。
3. We guarantee prompt delivery of goods.
我们保证立即交货。
4. His speech was interesting but his delivery was poor.
他的演讲甚有趣味，但演说时的声调和姿势欠佳。
5. How many deliveries are there in your town every day?
你们城里每天送几次信？