1. I had a car accident last year. 去年我出了场车祸。

2. There was a serious car accident on the highway. 高速公路上发生了一起严重车祸。

3. The child was accidentally injured in a fall. 那个孩子意外地从高处摔下来受伤了。

4. He was killed in a traffic accident. 他在交通事故中丧生了。

5. The police are investigating the cause of the accident. 警察正在调查事故原因。