There are no significant differences between the two groups of students.
这两组学生没有明显差别。
Unsupported mothers are one of the fastest-growing groups of welfare claimants.
无经济支持的母亲们是申请福利的群体中人数增长速度最快的一部分。
The two biologists found, to their surprise, that both groups of birds survived equally well.
这两位生物学家惊奇地发觉，两组鸟都同样很好地活了下来。
Teachers meet with students in groups of 25, five mornings a week, for open-ended discussions of everything from homework problems to bad Saturday-night dates.
每周五个上午里，老师们会与25人一组的学生见面，就从家庭作业问题到周六晚上糟糕的约会等各种问题展开开放式讨论。
There's a growing appreciation that superficially similar groups of customers may have very different preferences in terms of what they want to buy and how they want to buy it.
越来越多的人认识到，表面上相似的顾客群体在他们想买什么和他们想怎么买方面可能有非常不同的偏好。
Of today's different groups of algae, green algae are probably the most similar to ancestral plants.
在今天的众多藻类中，绿藻可能与植物的祖先最为相似。
Some groups of consumers are slow to pick up trends in the use of information technology.
有些顾客群对信息技术应用方面的潮流反应迟钝。
There are two main groups of bats, which are believed to have evolved independently of each other, but both from a common ancestor.
蝙蝠主要有两大类，人们认为它们是各自独立进化的，但都来自同一个祖先。
Ordered arrangements of large groups of atoms and molecules are highly improbable.
大的原子群和分子群的有序排列是极不可能的。
She asked her students to get into groups of four.
她让学生每四人分为一小组。
The students work individually, then pool their ideas in groups of six.
学生先分头工作，然后六人一组交流心得。
Fresh groups of guests arrived.
新客成批到达了。
A fight broke out between rival groups of fans.
比赛双方球迷打了起来。
Fighting had broken out between rival groups of fans.
双方球迷发生了打斗。
You will see in China big groups of people doing tai chi in public places, such as parks and squares.
在中国，你会看见一大群人在公园和广场等公共场所打太极。
Look at groups of words, not single words.
学会看词组，而不是单个的词汇。
But each of these groups of users is walled off from the others by language.
可是，语言障碍在不同的网民群体间筑起了高墙。
In general, people talk about two groups of colors: warm colors and cool colors.
总的来说，人们谈论的是两大类颜色：暖色和冷色。
Over time, various groups of ancient humans have made various types of stone tools.
随着时间的推移，不同的古代人类部族已经制造出各种不同类型的石质工具。
Small groups of people still sat along the terraces and boulevards and in the cafés.
三三两两的人仍旧在阳台、林荫道和路边的咖啡馆里坐着。
Movies make a difference in how we see the world and how we see certain groups of people.
电影对我们如何看待世界以及如何看待特定人群发挥着重要作用。
The only lights they saw came from the scattered fires around which groups of men were huddled.
他们能看到的唯一光亮，来自稀稀落落的火光，男人一群群围坐在旁边。
Both groups of researchers think this is the beginning of a new approach to treating inner-ear problems.
两组研究人员都认为这是治疗内耳疾病新尝试的一个开端。
The most complex problems are solved by groups of people who communicate efficiently with one another.
世界上最复杂的问题都是在人与人之间的交谈中得到解决的。
Twelve trials are under way on groups of 15 to 60 dogs, and in several of them cancers have disappeared.
目前正在对15至60只狗进行12次实验，其中有些狗狗原来所患癌症已消失。
It's easy to imagine groups of friends watching shows together, messaging each other throughout the viewing.
很容易想象一群朋友一起看电视，在观看的过程中互相发信息交流。
Parallel evolution is when two groups of animals evolve similar features without being related to one another.
所谓平行进化是指两群彼此没有联系的动物进化出相似的特征。
Parallel evolution is when two groups of animals evolve similar features without being related to one another.
所谓平行进化是指两群彼此没有联系的动物进化出相似的特征。
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