The doctor tried to do an experiment to find out the effect of the medicine on the mice.

Let's do an experiment: Two pupils, please. Please pour into a cylinder with a taper full of water. How many times can we fill up the cylinder?

师：下面我们来做一个实验。请两个同学上来演示，将圆锥装满水倒入圆柱，几次可以将圆柱装满？

In the first, do an experiment of 6 times by four college students of different levels. The intervention and observation based on the personality characteristics of students, then, do a case study of college students with Internet Addiction.

首先对4名不同网络成瘾水平大学生被试进行了6次的临床心理干预实验与观察，在此研究的基础上，依据学生个性化特点，同时又对其中1名网络成瘾的大学生进行了个案实验研究。

The thesis will do an experiment to analyze the influence of the lexical chunks in English writings and explore the method to improve the college students' writing ability of argumentation.

本文采取实验的方式验证词块在英语写作中的影响，探索一个提高大学生英语议论文写作能力的方法。

A rake is used on a lawn to collect leaves and dead grass. A dry maple leaf has come off and is falling to the earth.

草耙被用来聚拢草地上的断枝落叶及枯草等。一片枯萎的枫叶离开了树枝，正朝地上落下来。

We can collect leaves, and take pictures, too.

我们可以收集树叶，还可以照相。

In the wild it is difficult to collect leaves with active miners, one reason may be that we miss the season, the other is that the larva died in the trail.

在野外要采集到具备活潜叶虫的叶子是比较难的，要么错过了季节，要么虫子直接就死在虫道里。

I'm Erin. I collect leaves.

我是Erin。我收集树叶。

You write an e-mail on a computer.

在计算机上写电子邮件。

Talk with your classmates about "clean air in cities", then write an e-mail to your city governor.

和你的同学讨论关于“城市中的清洁空气”的话题并给市政官员写封电子邮件。

A multi-touch screen replaces mechanical buttons. This allows you to use your fingers to operate the menus, dial, select music or write an e-mail.

触摸屏代替了机械按钮。这让用户能够运用手指操作菜单、号、选音乐或撰写电子邮件。

Modern education were emphasized on the children's center, is a typical pragmatism.

现代教育派强调儿童中心论，是典型的实用主义。

Alicia Neu, medical director of pediatric nephrology and the pediatric stone clinic at Johns Hopkins Children's Center in Baltimore.

巴尔的摩市Johns Hopkins儿童中心儿童肾科和少儿结石专家门诊的医学主任Alicia Neu说。

The National Children's Center for Clinical AIDS demonstrated the advantages of international cooperation.

这一国家儿童艾滋病临床中心展现了国际大合作的优势。

Unity and Integration between Old and New Buildings in Old City Area& Program Design of Women and Children's Center of Activity in Xiamen

老城区中新旧建筑的对接与整合&厦门市妇女儿童活动中心方案设计

Congratulations on the children's center.

祝贺你成立了儿童中心。

Science and technology policy is the key factor among all strategic elements against terrorism. Since Sept.

在组成反恐战略诸要素中，科技政策是核心要素。

How Sept. 11 has changed advertising and American culture.

11事件是如何改变美国的广告和文化的。

The New Geo-Political Structure in Central Asia after Sept. 11 Events

9.11后中亚地缘政治新格局

In a period of freezing weather, water in 0-20 cm soil layer mainly comes from rainfall in Sept.

封冻期020cm土层水分主要来源于910月份的降水。

• sales start Sept. 21 in the U.S. and 8 more countries

•9月21日起在美国和其他8个国家开始销售