难怪冬天这么冷！同一纬度下，中国竟然是全球最冷的
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| VIDEOS | |||
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 360P | Download |
| MP4 | N/A | 360P | Download |
| AUDIO | |||
| MP4 | N/A | mp4a.40.2 | Download |
| MP4 | N/A | mp4a.40.5 | Download |
| MP4 | N/A | mp4a.40.2 | Download |
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JPEG | Origin Image | Download |
你敢信吗？中国竟然是世界同纬度上最冷的国家。我国东北比纬圈平均温度，大约要低14至18℃，就连华南沿海地区也偏低5℃左右。为什么会有如此大的差别？本期视频就来给大家一探究竟。
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