刚刚
视频简介
1915年，日本政府与袁世凯政府秘密签订企图灭亡中国的“二十一条”。但条约签订不久便被美国情报机关特务韦约翰抢走......。Presenter Hannah Fry reveals how much our planet can change in just a single day and how these daily changes are essential to our existence. If you think the Earth takes millions of years to change, it’s time to think again! Presented by Hannah Fry, this TV special reveals how much our planet can change in just 24 hours. A new era of science allows us to watch as the Earth move...。
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儿童教育