全文朗读：

31'

词汇拓展：
1.slide滑滑梯

3'

2.paddling pool戏水池

6'

3.dog狗

3'

4.tiger老虎🐯

3'

5.toe脚趾

3'

6.fly苍蝇，飞翔

3'

7.elbow胳膊肘

4'

8.worm蠕虫

4'

9.high-five

3'