《剑齿虎的牙为什么那么长》歌词

[00:00:00] 本字幕由天琴实验室独家AI技术生成
[00:00:03] 熊爸爸的10万个为什么第496 集为什么剑齿虎的牙齿又长又锋利呢
[00:00:16] 好奇熊宝、陈妍一墨麒麟小朋友找到熊爸爸的家
[00:00:22] 问熊爸爸为什么剑齿虎的牙齿那么锋利
[00:00:27] 爱提问题的孩子勤思考
[00:00:29] 爱学习
[00:00:31] 我们为他们鼓掌
[00:00:35] 熊小问问熊爸爸
[00:00:37] 爸爸
[00:00:38] 为什么剑齿虎的牙齿那么长呢
[00:00:42] 熊爸爸摸摸自己的大肚子说
[00:00:46] 呢
[00:00:46] 大概是剑齿虎偷了大象伯伯的牙齿
[00:00:50] 所以他的牙才那么长呢
[00:00:54] 熊爸爸的故事是这样的
[00:00:57] 在很久很久以前
[00:00:59] 有一只剑齿虎
[00:01:02] 他特别的贪吃
[00:01:04] 不管是什么东西都要吃
[00:01:07] 尤其是肉骨头
[00:01:10] 而且它还有一个很不好的坏习惯
[00:01:15] 那就是不爱刷牙
[00:01:18] 有一天
[00:01:19] 剑齿虎在啃香喷喷的肉呢
[00:01:22] 突然她的牙齿一阵刺痛
[00:01:26] 疼得他嗷嗷大叫的在地上打起滚儿来
[00:01:31] 剑齿虎只好捂着嘴去看医生
[00:01:35] 啄木鸟医生让剑齿虎张开大嘴巴
[00:01:39] 准备好好的检查检查
[00:01:43] 可是
[00:01:44] 剑齿虎嘴巴一张开
[00:01:46] 一股难闻的味道扑鼻而来
[00:01:51] 啄木鸟医生赶紧戴上了口罩说
[00:01:55] 哎呀
[00:01:55] 剑齿虎啊
[00:01:56] 你这是多久没有刷牙啦
[00:01:59] 你这嘴巴简直比吃了榴莲还要臭呢
[00:02:05] 剑齿虎不好意思地挠了挠头
[00:02:08] 呃呃呃
[00:02:09] 可能也就是一个月
[00:02:12] 两个月
[00:02:14] 可能也就是小半年吧
[00:02:17] 啄木鸟医生一边检查一边说
[00:02:21] 你看你
[00:02:22] 贪吃又不爱刷牙
[00:02:24] 牙齿都长蛀虫了
[00:02:26] 这必须要拔掉换新的牙齿
[00:02:31] 于是
[00:02:32] 啄木鸟医生拔掉了剑齿虎的蛀牙
[00:02:36] 给他换上了松鼠的大牙
[00:02:39] 还叮嘱他要天天刷牙
[00:02:42] 保持口腔健康
[00:02:44] 剑齿虎有了新的牙齿
[00:02:47] 马上又吃了起来
[00:02:49] 他刚咬了一根肉骨头
[00:02:52] 牙齿嘎嘣一声断了
[00:02:55] 小松鼠的牙怎么能啃得动肉骨头呢
[00:03:00] 剑齿虎只好又去找医生
[00:03:03] 哎呀
[00:03:04] 医生
[00:03:05] 你看这牙齿也太脆弱了
[00:03:08] 一咬东西就碎了
[00:03:10] 根本吃不了肉骨头
[00:03:12] 除了青菜、豆腐
[00:03:14] 什么都别想吃了
[00:03:16] 啄木鸟医生只好给剑齿虎换上了狼的牙齿
[00:03:22] 这次的牙齿有风力
[00:03:24] 有坚硬
[00:03:26] 剑齿虎带着新换的牙齿啃起骨头来
[00:03:32] 可是剑齿虎的嘴实在太大了
[00:03:37] 狼的牙齿虽然坚硬锋利
[00:03:40] 但是相对他的嘴来说又短又小
[00:03:45] 咬东西的时候根本使不上劲儿呀
[00:03:50] 眼看着香喷喷的肉骨头却吃不到
[00:03:54] 剑齿虎都快哭出来了
[00:03:57] 他只好又跑去找医生
[00:04:01] 指着嘴里的牙说
[00:04:02] 哎呀
[00:04:03] 医生
[00:04:04] 这牙齿又短又小
[00:04:06] 连块肉都咬不到
[00:04:08] 还怎么填饱肚子呢
[00:04:11] 你再给我换一个啊
[00:04:13] 换一个
[00:04:15] 啄木鸟
[00:04:16] 医生抓抓脑袋
[00:04:18] 陷入了沉思
[00:04:20] 松鼠的牙太脆弱
[00:04:23] 狼的牙齿又太短小
[00:04:26] 要给剑齿虎找一个什么样的牙齿呢
[00:04:32] 谁的牙齿又大又硬呢
[00:04:36] 突然
[00:04:37] 啄木鸟医生灵机一动
[00:04:40] 想到了主意
[00:04:42] 他给剑齿虎装上了大象的牙齿
[00:04:47] 这大象的两颗大獠牙又长又大
[00:04:51] 还很坚硬
[00:04:53] 剑齿虎别提多满意了
[00:04:57] 临走的时候
[00:04:58] 啄木鸟医生嘱咐说
[00:05:01] 剑齿虎
[00:05:01] 你要坚持每天按时刷牙
[00:05:04] 不然在好的牙齿都会长蛀虫的
[00:05:08] 大象的牙齿我这儿只有这一副
[00:05:11] 你要是再长蛀牙了
[00:05:13] 以后就天天吃青菜豆腐吧
[00:05:17] 小朋友每天早晚两次仔细的刷牙
[00:05:22] 这样才不会长蛀牙呢
[00:05:25] 剑齿虎的牙为什么又长又锋利呢
[00:05:29] 你先想一想
[00:05:31] 熊爸爸稍候告诉你
[00:05:38] 熊爸爸为什么中国首创互动问答式儿童智慧启蒙平台
[00:05:48] 什么什么
[00:05:48] 你还没去过熊爸爸的家
[00:05:52] 哎呀
[00:05:52] 方法很简单
[00:05:54] 赶紧去找吧
[00:05:56] 在那里有许多新故事
[00:06:00] 熊爸爸还会叫你起床呢呢
[00:06:04] 小朋友
[00:06:05] 起床来
[00:06:05] 我是熊爸爸
[00:06:08] 当然也能语音提问啦
[00:06:18] 小朋友
[00:06:19] 为什么剑齿虎的牙齿又长又锋利呢
[00:06:23] 科学家普遍认为
[00:06:25] 这应该是一种自然选择的结果
[00:06:29] 剑齿虎长长的牙齿那么的锋利
[00:06:32] 主要是为了有更高的攻击性
[00:06:36] 这种牙齿要是咬到猎物的喉部或腹部
[00:06:41] 肯定会一击毙命的
[00:06:45] 剑齿虎生长的年代正处于第四纪冰川时期
[00:06:50] 那个时候气候寒冷
[00:06:53] 动物们的体型都非常巨大
[00:06:57] 可能毛皮也更加的厚实呢
[00:07:01] 所以只有更长更锋利的牙齿才能捕捉到更多的猎物
[00:07:08] 所以剑齿虎的牙齿当然要又长又坚硬又锋利了
[00:07:14] 小朋友
[00:07:15] 熊爸爸问你一个问题
[00:07:18] 为什么现在我们看到的老虎牙齿没有那么长了
[00:07:23] 熊爸爸找到一张图片
[00:07:26] 是科学家模拟剑齿虎捕猎的情形
[00:07:30] 找到熊爸爸的家
[00:07:31] 发送剑齿虎三个字
[00:07:34] 就可以看到了
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