official game的用法和样例：
例句
- Beach volleyball has become an official event of the Olympic Games.
沙滩排球已成为奥运会的正式比赛项目。 - 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。
official game的相关资料：
临近单词
officiality
official
official Democratic delegates
Official Donna Lewis Web Site
Official Experimental Station
official broadcasting station
official career economy ideal
Official Development Planning
official academic credentials
officially controlled vaccine
official exchange rate system
official system transformation
