由于大雾原因飞机出事故了!

　　Mary：A plane crashed.

　　有架飞机失事了。

　　John：What happened?

　　怎么回事?

　　Mary：It crashed into a mountain and exploded.

　　这架飞机撞到山上爆炸了。

　　John：Do they know what happened?

　　原因查出来了吗?

　　Mary：It was the thick fog.

　　是因为大雾。