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。
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。
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。
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。
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。
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。
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。
Teeth don't have skin, so it was likely an allusion to something small or so thin that it was insubstantial.
然而牙齿并没有皮肤，所以这一说法可能代指小、纤薄而不重要的东西。
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。
Great whites have jaws and teeth that are perfect for a powerful chomp on prey ranging from small fish to large marine mammals .
大白鲨的嘴巴和牙齿是一副功能强大的捕猎工具：猎物从小型鱼类到大型海洋哺乳动物。
In a small portion of patients, cysts and tumors occur around impacted wisdom teeth, requiring surgical extraction.
一小部分患者还会因为阻生智齿而出现囊肿和肿瘤，需要手术摘除。
They found an average of 12 per cent – one in eight – had tooth decay ranging from small holes, needing fillings or having teeth extracted.
他们发现平均有12%即八分之一的儿童有蛀牙问题，包括牙齿有小洞、需要补牙和拔牙等。 。
I did the same thing for the actual teeth of the zipper, taking small segments at a time and placing it around the edge of our outer cat's face.
对于拉链的拉齿，也采用同样的办法处理，将小段小段的拉齿摆放到猫脸的边缘上。
Bilayer gears, crown gears, bevel gear, wheel, Helical, Worm, safety clutch teeth, small modulus gear and steering gear copper server.
双层齿轮、皇冠齿轮、伞齿轮、滚轮、斜齿、蜗杆、安全离合齿、小模数铜齿及舵机伺服器等。
The system includes the mouth, esophagus, stomach, small intestine and large intestine. Other organs of the digestive system include the salivary glands, teeth, pancreas, liver, and gall bladder.
此系统包括口、食管、胃、小肠和大肠。消化系统其它器官有唾液腺、牙齿、胰、肝和胆囊。
But lizards are small, and they have delicate teeth, so it is very difficult for them to eat and chop off very tough material.
但蜥蜴是很小的，它们只有脆弱的牙齿，因此它们很难取食和咀嚼非常粗硬的材料。
He stood on a small stool, brushing his teeth at the side of the pool, and then he slipped and fell down and scraped his leg.
他站在小凳子上，在水池边刷牙，然后他滑了一下，摔倒的时候刮了他的腿。
Small Oscillating Head with Extra Soft Bristles: Cleans teeth and gently sweeps away plaque.
小小的振动刷头特别超软的刷毛：有效温柔的清除牙菌斑。
The teeth of these fleet-footed predators are too small to use as daggers for large kill, but the cats have strong jaws that lock around the throat of prey until the victim stops breathing.
这些敏捷的掠夺者们的牙齿在大型猎物面前就像匕首一样显得太小，但是猫科动物强壮的颚能够环锁住猎物的喉咙直至受害者停止呼吸。
The teeth of these fleet-footed predators are too small to use as daggers for large kill, but the cats have strong jaws that lock around the throat of prey until the victim stops breathing.
这些敏捷的掠夺者们的牙齿在大型猎物面前就像匕首一样显得太小，但是猫科动物强壮的颚能够环锁住猎物的喉咙直至受害者停止呼吸。
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