求翻译：3、超级打手：将字母Aa、Bb、Cc、Dd、Ee、Ff的卡片贴在黑板上，请2至3名小朋友站到集体前，每人手中拿一个塑料锤子，背对黑板站好。教师说一个字母，小朋友迅速转身，用塑料锤子击中老师所说的字母，并重复说出字母。游戏可以反复进行数遍，多请一些小朋友参与游戏。是什么意思？

3, power punching: your letters Aa, Bb, Cc, Dd, Ee, Ff card stickers on the Blackboard, 2 to 3 children before the station to the collective, each holding a plastic hammer, back to the Blackboard to stand up. Teachers say a letter, the children quickly turned, with a plastic hammer hitting the teacher said the letter, and repeat spoken letters. Games can be repeated several times, some children participate in the game.