A:I heard several people were killed in the car accident.

　　A：我听说那场车祸中死了好几个人。

　　B:Twelve, to be exact.

　　B：确切地说，是十二个。

　　A:How do you know it so clearly?

　　A：你怎么知道得这么清楚?

　　B:I was walking along the road that day. So it happened under my very eyes.

　　B：那天，我正好在街上，所以碰巧都看见了。