应用

#1 Dual N-Back is the most popular app for improving fluid intelligence. This is a simple, bare bone, i
#2 This game is a fun way to discover the world of crystals and their symmetries through diffraction. C
#3 普通记忆单词的方法需要有强大的毅力才能坚持下去,为了对抗枯燥和无聊的机械式重复需要耗费很多体力和脑力,使人身心疲惫
#4 以有趣的方式学习地理