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2020年的寒假是特殊的一个寒假,我们小朋友在家里在线上和我们老师进行学习,今天我们就来进行一个神奇的小实验。
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","type":1},{"source":0,"text":"那么为什么轮胎都是圆形的呢?所以我们接下来要做一个有趣的小实验。
","type":1},{"source":0,"text":"小朋友们可以在家里找到正方形,长方形,三角形和圆形的积木块。
","type":1},{"img_height":542,"img_size":85,"img_url":"https://ss-mpvolc.meipian.me/users/53293644/2596804c7f22eaa32d06d9c3ad36af91__jpg.heic","img_width":750,"is_origin":false,"source":0,"type":1},{"img_height":440,"img_size":62,"img_url":"https://ss-mpvolc.meipian.me/users/53293644/86c6f3413fa0c7805fe1b61abd8792d0__jpg.heic","img_width":754,"is_origin":false,"source":0,"type":1},{"img_height":610,"img_size":41,"img_url":"https://ss-mpvolc.meipian.me/users/53293644/3108c7effd827285ff479a76159ce060__jpg.heic","img_width":610,"is_origin":false,"source":0,"type":1},{"source":0,"text":"然后我们需要一块长长的跑道。
","type":1},{"source":0,"text":"用我们的手去推动一下我们准备好的积木块,假装它是车的轮子,在跑道上前进。
","type":1},{"source":0,"text":"然后我们感觉一下哪个轮子跑得最快,最远
","type":1},{"img_height":1280,"img_width":720,"source":0,"source_platform":"local","text":"我们三位参赛选手已经准备好了,我们一起来看一看吧。
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","type":3,"video_length":17,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/53293644/1587194489585__jpg.heic","video_url":"https://md-mpvolc.meipian.me/users/53293644/1587194480760.mp4"},{"img_height":1280,"img_width":720,"source":0,"source_platform":"local","text":"三角形选手之后是我们的方形选手,我们一起来看一看吧。
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","type":1},{"img_height":282,"img_size":38,"img_url":"https://ss-mpvolc.meipian.me/users/53293644/e5c2cd36a8d3293bb19bfadd27458f4f__jpg.heic","img_width":234,"is_origin":false,"source":0,"type":1},{"source":0,"text":"小朋友可以仔细看我们图中的小汽车,也可以在家中寻找自己的小汽车玩具,看看他们有什么共同的特点。
","type":1},{"img_height":500,"img_size":68,"img_url":"https://ss-mpvolc.meipian.me/users/53293644/a2572db9b3df68b2ba007dfa0243d350__jpg.heic","img_width":500,"is_origin":false,"source":0,"text":"没错它们都有着圆形的轮胎
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","type":1},{"img_height":542,"img_size":85,"img_url":"https://ss-mpvolc.meipian.me/users/53293644/2596804c7f22eaa32d06d9c3ad36af91__jpg.heic","img_width":750,"is_origin":false,"source":0,"type":1},{"img_height":440,"img_size":62,"img_url":"https://ss-mpvolc.meipian.me/users/53293644/86c6f3413fa0c7805fe1b61abd8792d0__jpg.heic","img_width":754,"is_origin":false,"source":0,"type":1},{"img_height":610,"img_size":41,"img_url":"https://ss-mpvolc.meipian.me/users/53293644/3108c7effd827285ff479a76159ce060__jpg.heic","img_width":610,"is_origin":false,"source":0,"type":1},{"source":0,"text":"然后我们需要一块长长的跑道。
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","type":1},{"img_height":1280,"img_width":720,"source":0,"source_platform":"local","text":"我们三位参赛选手已经准备好了,我们一起来看一看吧。
","type":3,"video_length":21,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/53293644/1587194428166__jpg.heic","video_url":"https://md-mpvolc.meipian.me/users/53293644/1587194417176.mp4"},{"img_height":1280,"img_width":720,"source":0,"source_platform":"local","text":"第1位出场选手是三角形选手。
","type":3,"video_length":17,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/53293644/1587194489585__jpg.heic","video_url":"https://md-mpvolc.meipian.me/users/53293644/1587194480760.mp4"},{"img_height":1280,"img_width":720,"source":0,"source_platform":"local","text":"三角形选手之后是我们的方形选手,我们一起来看一看吧。
","type":3,"video_length":20,"video_thumbnail":"https://ss-mpvolc.meipian.me/users/53293644/1587194520697__jpg.heic","video_url":"https://md-mpvolc.meipian.me/users/53293644/1587194510477.mp4"},{"img_height":1280,"img_width":720,"source":0,"source_platform":"local","text":"第3位是圆形选手,让我们看看他发挥的怎么样吧。
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