Factor A is training mode, comprising two levels: A1, serial folk play training activities, i.e. experiment group; A2, non-folk play training activities, i.e. control group (in which training methods, such as dancing, singing and story-telling areused).是什么意思_Factor A is training mode, comprising two levels: A1, serial folk play training activities, i.e. experiment group; A2, non-folk play training activities, i.e. control group (in which training methods, such as dancing, singing and story-telling areused).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句