a penalty goal的用法和样例：
- He kicked a penalty goal in the football match.
- He kicked a penalty goal and two conversions.
- He kicked a penalty goal and two conversions,ie in Rugby football.
- A penalty goal will be awarded if a ball deemed to be travelling towards the goal strikes a robot that has some part of it over the goal line and in the "in goal" area.
- Benitez revealed the details at the time: "Carragher told the referee, his decision is invalid penalty goal, rather than the linesman, but I think he did not know why such a penalty.