1. Everyone was amused by the story about the dog.
    大家听了关於那只狗的故事都笑起来了.

2. But then the ear also needs training, since at first it can hardly detect differences in sounds which grown-up people hear most clearly.
    但是耳朵也同样需要训练，因为最初耳朵几乎分辨不出声音的不同，而成年人却大多听得很清楚。

3. When the dog attacked me, I defended myself with a stick.
    那狗扑向我时, 我用棍子自卫.

4. Who´s going to look after the dog?
    谁来照看狗啦，

5. What about the dog?
    那么狗呢？

6. The cat arched its back when it saw the dog.
    那猫看见狗时就拱起了背.

7. Two small boys and a dog comprised the street entertainer´s only audience.
    两个小男孩和一条狗成了街头艺人仅有的观众.

8. This is a big dog.
    这是一只大狗.

9. The dog runs fast.
    这狗跑得很快.

10. That is a female dog.
    那是一只母狗.