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新十万个为什么（动物篇）
VIP · 全40集 · 5455人在学习
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1-30
31-40
01:42
01集-为什么萤火虫会发光
VIP
01:39
02集-为什么有的动物的血液不是红
VIP
01:38
03集-为什么有些动物头上长角
VIP
01:48
04集-有的动物为什么要挖洞
VIP
01:25
05集-为什么有的动物冬眠，有的动物不冬眠
VIP
01:31
06集-动物的皮毛为什么是五颜六色的
VIP
01:35
07集-鸟蛋里的空气是怎样进去的
VIP
01:03
08集-为什么有的鸟与鼠会同穴
VIP
01:38
09集-为什么有的鸟与鼠会同穴
VIP
01:51
10集-为什么蚯蚓被断为两截还能再生
VIP
01:18
11集-为什么象用鼻子吸水不会呛进
VIP
00:51
12集-为什么磕头虫总要磕头
VIP
01:01
13集-为什么蚊子能准确地叮人吸血
VIP
01:16
14集-蝴蝶为何如此美丽
VIP
02:06
15集-为什么砍掉了头的菜粉蝶不会 立即死亡
VIP
01:55
16集-为什么蜜蜂能知道什么地方可 以采蜜
VIP
02:06
17集-秋天，为什么有些马蜂不蜇人
VIP
01:32
18集-为什么蜻蜓的眼睛是最多的
VIP
01:30
19集-为什么飞蛾要围着灯光飞
VIP
01:51
20集-为什么雄蚕吐丝比雌蚕多
VIP
01:15
21集-为什么龟的寿命特别长
VIP
01:19
22集-为什么下雨天青蛙的叫声特别大
VIP
01:52
23集-为什么冬蛇地震前会集体自杀
VIP
01:45
24集-为什么鸟儿要迁徙
VIP
01:21
25集-为什么响尾蛇的尾巴会发声
VIP
01:25
26集-为什么孔雀会开屏
VIP
01:29
27集-为什么燕子的尾羽是叉形的
VIP
01:30
28集-为什么老鹰有时不扇动翅膀也 能飞翔
VIP
01:31
29集-为什么马的耳朵会经常摇动
VIP
01:41
30集-为什么猫的眼睛会经常变化
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