标签:牙齿和爪子 相关文章
When the paleontologists studied the tooth marks, they used high powered microscope to look deeper into the evidence. 当古生物学家们研究这些齿痕时,他们使用高倍显微镜来更深入地了解这些证据。 What they found were te
Mother: Don't pull the dog's tail! Son : Why? What will happen if I do? Mother: If you pull his tail, he will bite you. Son : No, he won't. I pulled out all his teeth this morning. 它会咬你 母亲:别扯那条狗的尾巴! 儿子:为什么?如果
In a few years more the milk-teeth begin to go. 几年之后, 乳牙开始掉落。 Another set of teeth, called the permanent teeth, is growing, one under each of the milk-teeth, and pushing out the first set. 另一套牙齿从原来的位置上长出
BBC News with Marion Marshall. The United States says its special forces have mounted a raid against leaders of the Islamic State group in Syria. The Pentagon said a unit of commandos,tasked with tracking down jihadist leaders, carried out the operat
Nowadays everyone wants perfect teeth. People want to have the same teeth as Hollywood or Bollywood movie stars. Every fashion, film or music magazine is full of photos of people with lovely teeth. My teeth arent straight. My two front teeth are croo
Nanotyrannus is more like a cheetah on steroids. 矮暴龙更像是服了兴奋剂的猎豹。 These animals were really, really fast. 这些动物真的是非常之快。 They could outrun a Tyrannosaurus Rex no problem, and that also helped them wh
Nanotyrannus is one of my very favourite dinosaurs. 矮暴龙是我非常喜欢的一种恐龙。 The name actually means pigmy tyrant. 它的名字意思其实是小暴君。 And it's pretty aptly named because this was a one mean dinosaur. 这名字挺
Incredibly, whales are closely related to hoofed animals, in particular, the pig and the hippo. 很难相信,鲸类跟有蹄类动物的关系非常接近,特别是,猪和河马。 55 million years, the actual evolutionary origins of whales and
There's no animal living today that has the strength of Tyrannosaurus Rex. 如今生活的动物力量没有能匹敌雷克斯暴龙的。 To try to come up with something that had that kind of power I don't know how, you know... 要想出有那样的力
AS IT IS 2015-11-02 Can Fish Teach Humans to Regrow Teeth? 人类能学习鱼类的牙齿再生术么? Most people are born with two sets of teeth. They use baby teeth to break down food as children. As they become adults, the baby teeth are replaced
Lesson 62 The Patient Donkey 第62课 吃苦耐劳的驴子 Have you ever heard a donkey bray? What a noise he makes! Even if you have not heard one, I am sure that you have all seen a donkey, and perhaps some of you have ridden one at the seaside on
台湾籍旅美老师今天交给我们的句子是: So that to me, if you don't have a flash light, your teeth can help you see in the dark. Just smile. and you see where you're going. 对我来说,假如你没有手电筒,牙齿仍然可以在黑
People smile for all kind of reasons - not all of them good. Smugness, embarrassment and fear can all cause smiles. Can you recognise which is which? 人们因种种原因微笑,但并不是都是因为好事情。装模作样,尴尬和害怕都能
Chapter 5 Charlotte 第五章 夏洛 The night seemed long. Wilbur's stomach was empty and his mind was full. 这一夜好像特别长。威尔伯肚子空空的,可是心满满的,都是心事。 And when your stomach is empty and your mind is f
在减肥热风靡全球的今天,塑身者本该谈甜色变。奇怪的事,甜点、巧克力的销量全球有增无减。据说,人在心情郁闷时更喜欢吃甜食,尤其是女孩子,失恋时大吃冰淇淋和巧克力更是司空见
It's not exactly a newsflash that one of the most important reasons to brush your teeth is to fight off cavities (not to mention prevent bad breath). But what if the way you brush your teeth actually makes you more susceptible to cavities, tooth deca
In the front of its lower jaw there are eight sharp teeth for nipping. There are no teeth in its upper jaw opposite these, but there is a hard pad instead. At the back of its mouth the sheep has six teeth with flat tops on each side of each jaw. Thes
[全屏观看] 点击右键- 另存为 可保存这个Flash影片 作品简介 : 清洁你的牙齿,让它洁白如新。牙齿脏了怎么办,用牙刷,好好的清理下,大朋友小朋友都要认真刷牙,因为牙齿要跟随我们一辈
Lesson 23 The Periwinkle 第23课 滨螺 A boy with a basket is walking down the street. 街上有个孩子挎着篮子走过来, He is shouting out, Winks, winks, periwinks! 一边走一边吆喝:滨螺!滨螺!卖滨螺啦! Let us buy a few
In most cases this lower jawbeing easily unhinged by a practised artist, 这个下巴颏有经验的老手可以很容易地把它卸下来, is disengaged and hoisted on deck for the purpose of extracting the ivory teeth, 大多是在卸下后,就拉