• 选择下载 整本下载
• 1.1 The Opposite Cousins.mp3 (7.34 MB )下载
• 1.2 It's a Fair Swap!.mp3 (7.17 MB )下载
• 1.3 Life in the Arctic.mp3 (5.56 MB )下载
• 1.4 Let's Surprise Mom.mp3 (7.13 MB )下载
• 1.5 E-mail Friends.mp3 (8.11 MB )下载
• 2.1 The Frozen Continent Antarctica.mp3 (7.87 MB )下载
• 2.2 Buddy Goes to School.mp3 (8.65 MB )下载
• 2.3 The Metal Detective.mp3 (8.73 MB )下载
• 2.4 Growing Vegetables.mp3 (7.26 MB )下载
• 2.5 All About Birds.mp3 (10.69 MB )下载
• 3.1 Raisins.mp3 (7.75 MB )下载
• 3.2 The Hunters and the Elk.mp3 (10.4 MB )下载
• 3.3 Pictures in the Sky.mp3 (8.82 MB )下载
• 3.4 Rescuing Whales.mp3 (10.46 MB )下载
• 3.5 The Field Trip.mp3 (11.47 MB )下载
• 4.2 How to Measure the Weather.mp3 (8.79 MB )下载
• 4.3 Grandpa's Rock Kit.mp3 (10.96 MB )下载
• 4.4 Across the English Channel.mp3 (9.81 MB )下载
• 4.5 Swimming like Buck.mp3 (8.87 MB )下载
• 5.1 A Tea Party with Obachan.mp3 (8.31 MB )下载
• 5.2 Celebrate Independence Day.mp3 (11.62 MB )下载
• 5.3 A Child's Life in Korea.mp3 (10.84 MB )下载
• 5.4 The World of Bread!.mp3 (10.21 MB )下载
• 5.5 A Walk Around the City.mp3 (11.09 MB )下载
• 6.1 The Statue of Liberty：A Gift from France.mp3 (9.36 MB )下载
• 6.2 New York's Chinatown.mp3 (11.01 MB )下载
• 6.3 One Forest, Different Trees.mp3 (11.22 MB )下载
• 6.4 Swimming in a School.mp3 (9.35 MB )下载
• 6.5 Greek Myths.mp3 (11.27 MB )下载
• 4.1 The Winning Point!.mp3 (9.45 MB )下载