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外链地址
http://www.eemp3.com/audiofile/57940dd9c0ec9410cd15d4bcfe404fc0.mp3
点击复制Concentration - Wee Sing
Concentration the letter A
专心致志 字母A
Apple begins with the letter A
苹果以字母A 打头
Concentration the letter B
专心致志 字母B
Boy begins with the letter B
男孩以字母B 打头
Concentration the letter C
专心致志 字母C
Cow begins with the letter C
奶牛以字母C打头
Concentration the letter D
专心致志 字母D
Dog begins with the letter D
狗以字母D 打头