一块蛋糕英语

学习英语的APP. 很多话题。一共有21单元。百分之100免费。没有任何广告。学习生词，听真人发音，看对话，然后看问题
Learn English. Many topics. 21 units in total. 100% free. No advertising. Learn new words, listen to pronunciation, read the dialogue and then think about the questions.