regulation game的用法和样例：
例句
- In the competition, each child jumps two times, the first time is warms up, second is the regulation game.
比赛中，每个孩子跳两次，第一次算是热身，第二次才是正式比赛。 - That was after injuring knee ligaments in Chelsea's first pre-season game in America.
这是他在，在美国的季前赛首战比赛中膝伤后，首次出现在正式比赛中！
