It is done so that the upper tooth grows healthy downwards, while the lower tooth upwards.

In Japan, children throw a lower baby tooth up onto the roof so the next tooth grows healthily upwards;

在日本，孩子会把下齿的乳牙放到房顶上，这样的话下颗牙将会长得结结实实；

USA A child puts the baby tooth under his pillow before going to bed.

在美国，孩子们在睡觉前把掉了的牙放在枕头下面。

Mongolia In Mongolia, they put the baby tooth in the meat and feed it to the young dog.

在蒙古，人们把乳牙放在小狗的狗食中。

It's a baby tooth.

这是一颗乳牙。

I get the Goose Bumps whenever I hear her sing.

每次我听到她唱歌我就起鸡皮疙瘩。

Effect of sulphur on metabolism of molybdenum in little white mouse

硫酸盐对小白鼠钼代谢的影响

Effect of passive smoking on white mouse and later generation;

目的观察加味玉屏风散对被动吸烟大鼠肺组织损伤的影响。

Animal pathogenicity test showed it could cause white mouse and goldfish to death.

动物致病性试验表明，该菌对小白鼠和金鱼有较强的致病性，可引起其死亡。

Influence of Noise on Establishing the Conditioned Reflex of White Mouse

噪声对小白鼠条件反射建立的影响

The meadow mouse has slept in his snug gallery in the sod, the owl has sat in a hollow tree in the depth of the swamp, the rabbit, the squirrel, and the fox have all been housed.

在铺着草皮的地下，田鼠正在地洞里呼呼大睡，猫头鹰则在沼泽地深处的—棵空心树里蹲着，兔子、松鼠、狐狸都呆在家里。

Guan Zhichen, M.D., Professor of Peking University, Director of the Department of Urology, Chairman of Department of Surgery.

北京大学教授、博士生导师，主任医师，研究员泌尿外科研究所常务副所长。

Or our department chairman, Mr. Han. He's a grade higher than Mr. Chao, while Mr. Chao is a grade higher than Liu Tung-fang of the Foreign Languages Department.

就像系主任罢，我们的系主任韩先生比赵先生高一级，赵先生又比外语系的刘东方高一级。

Miss Sun asked the Foreign Languages Department Chairman Liu for permission to have the Section Four students practice writing sentences instead of compositions.

孙小姐征求了外国语文系刘主任的同意，不叫丁组的学生作文，只叫他们练习造句。

At the time the mechanics department chairman was my graduate advisor.

当时力学系的系主任是我在西安交大读研究生时候的导师。

If I had been a conscientious defender of truth, I suppose I could have gone to the department chairman and complained about the bias was resulting in my elevated grade.

如果我是真理的真正捍卫者，我想我可能要到系主任那里投诉造成我高分的性别偏见。

The Physics Department chairman, who had not brought his family with him, said that they would not even consider the resolution unless the school paid for the tutors' meals.

没带家眷的物理系主任说，除非学校不算导师的饭费，那还可以考虑。

Processing of the Information from Eddy-Current Ranging Transducer by Single-chip Computer

电涡流测距传感器信号的微机处理

There are a number of companies that create robots to teach subjects to children, ranging from biology to computer science.

有许多公司制造机器人来教孩子们学习,学科包括生物学和计算机科学。

From the emergence of PCI ( Peripheral Component Interconnect) in 1993, PCI has been widely adopted as a high performance bus protocol and used in various systems ranging from portable computer to supercomputer.

自1993年PCI（Peripheral component interconnect，外部设备互联）总线标准建立，PCI已经成为一种被广泛采用的总线结构，应用于从便携式电脑到大型服务器等多种计算机系统中。

Visual ranging based on computer vision is very promising in this field.

基于计算机视觉理论的视觉测距技术是目前该领域内一个很有价值的研究方向。