本课程为收费课程，购买后即可观看完整内容
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- 00:00 免费1、Fire Truck Song
- 00:00 付费2、Fire truck song 2
- 00:00 付费3、Airplane Song
- 00:00 付费4、Police car song
- 00:00 付费5、Rocket song
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付费6、Train song - 00:00 付费7、Bus song
- 00:00 付费8、Seatbelt song
- 00:00 付费9、The crossing song
- 00:00 付费10、Helicopter song
- 00:00 付费11、Submarine song
- 00:00 付费12、The excavator song