A Harvard anthropologist has proposed that using fire to cook food could be dated back to almost two million years and that it could explain hominid features like having a large brain and small teeth.
哈佛大学的一位人类学家提出，用火做饭可以追溯到近200万年前，这可以解释人类的一些特征，比如大脑大，牙齿小。
Bob: That is a lovely small teeth.
鲍勃：那是小虎牙，多可爱。
The spores are produced on small teeth or lamellae rather than gills.
孢子都是由子实体的小齿或小孔中产生而不是在菌褶上产生。
Thee spores are produced on small teeth or lamellae rather than gills.
孢子都是由子实体的小齿或小孔中产生而不是在菌褶上产生。
If it is found that the small teeth have tartar, then use gauze to gently wipe.
如果发现小牙上已经有牙垢，则要用纱布给轻轻擦去。
I would like to ask you experienced brothers and sisters, people who are so small teeth What are the reasons?
请问各位有经验的兄弟姐妹，这么小的人咬牙是什么原因？
It discussed the structure characteristic of fixed hob and machining technology feasibility of small teeth gear.
讨论了固定安装滚刀的结构特点及少齿数齿轮加工技术的可实现性。
Soft bristles designed to gently clean small teeth. Handle designed to provide easy maneuverability for little hands.
软刷毛设计，轻轻清洁小小牙齿。手柄设计，能够让小手很方便的使用。
Nurse sharks have razor sharp but small teeth that seldom penetrate deeply: "Holding still reduces damage to both shark and man."
护士鲨有剃刀般锋利但很小的牙齿，很少能深入地穿透：“不动弹能够减少对鲨鱼和人类的伤害。”
Teeth the teeth should be large and strong, with the canine teeth or tusks wide apart, and the six small teeth in front, between the canines, in an even, level row.
牙齿大、结实，犬齿距离相当宽，前面有六颗小牙齿在犬齿之间，排列平整而水平。
The construction of the new segregating tube, with small teeth mounted on its inside surface, is able to shield properly the winding of low speed motors and stepping motors.
本文提出的将小齿置于内腔的隔套结构型式能妥善地解决低速电机及步进电机的绕组屏蔽。
Small pockets form around the teeth.
牙齿四周会形成小型带状物。
Africans keep a small stick in their mouth to chew or scrub their teeth all day.
非洲人整天把一根小木棍放在嘴里咀嚼或刷洗他们的牙齿。
These early pterosaurs all had a mouth full of teeth, usually small at the back and larger at the front.
这些早期翼龙嘴里都长满了牙齿，通常来说，小的牙齿长在后面，大的牙齿长在前面。
His teeth are big and sharp.This is a mouse.His teeth are small and sharp.
它牙齿是大的并且锐利。这是老鼠。它的牙齿是小并且锋利的。
Both its mouth and tongue are lined with small, sharp teeth, preventing the prey from making a getaway.
它的嘴和舌头上都排列着小而尖的牙齿，以防止猎物逃跑。
Belugas have 40 small conical teeth which they use to grasp fish.
白鲸有40个用来抓鱼圆锥形小牙齿。
Analysis of Ardi's teeth points to a diet of figs and other fruit, leaves and small mammals.
通过对阿迪牙齿的分析表明阿迪平常所吃的食物是无花果以及其它水果、树叶和小型哺乳动物。
Behold, I will make thee a new sharp threshing instrument having teeth: thou shalt thresh the mountains, and beat them small, and shalt make the hills as chaff.
看哪，我已使你成为有快齿打粮的新器具，你要把山岭打得粉碎，使冈陵如同糠。
Is Bobby a rabbit? No, Bobby's teeth are sharp and small.
它是博比的兔子？不，博的牙齿是锋利的并且小。
Curly black hair, brown skin, big black eyes, handsome nose, fine teeth, small hands and feet, taller than I am, very polite, for a boy, and altogether jolly.
卷曲的黑头发，棕色皮肤，黑色的大眼睛，好看的鼻子，牙齿洁白，手脚不大，比我略高，显得温文尔雅，不乏风趣。
Even routine daily actions, such as brushing one's teeth, turning the pages of a newspaper or dressing a small child would easily defeat today's robots.
哪怕是些简单的日常动作，例如刷牙、翻报纸、给小孩子穿衣服都能难倒现在的机器人。
NASA said the crew had sent down video and photographs of a small star-shaped gear with two broken teeth. Experts were trying to determine whether it was related to the problem.
NASA说乘员已经下传了有关一个断了两个齿的小型星型齿轮的视频和图像。
The chewing surfaces of back teeth are rough and uneven because they have small pits and grooves.
后磨牙的咀嚼面是粗糙和不平的，因为它们有小的凹陷和沟槽。
If you look in this small hand mirror, you can see the red stains on your teeth.
你要是看一看这一小口镜你就看得到你牙齿上的红色的染色。
Miss White:Well, some whales have teeth and eat large animals. Some whales have no teeth and eats only small fish and plants in water.
MissWhite:好，一些蓝鲸有牙齿就可以吃大的动物，一些蓝鲸没 有牙齿就吃水里的小鱼和植物。
It looked so alive! It opened its mouth and made the special noise of that animal. It had small sharp white teeth.
它看上去活蹦乱跳！它张开嘴，发出一声这种动物特有的叫声。它长着又小又尖的白牙齿。
It looked so alive! It opened its mouth and made the special noise of that animal. It had small sharp white teeth.
它看上去活蹦乱跳！它张开嘴，发出一声这种动物特有的叫声。它长着又小又尖的白牙齿。
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