Last summer, we had a volunteer activity in a village school.
去年夏天，我们在一所乡村学校参加了志愿者活动。
The most popular leisure activity in Britain is going for a walk.
在英国最受欢迎的休闲活动是散步。
Advertising has already become a very specialized activity in modern times.
广告在现代已经成为一种非常专业化的活动。
The results of a Harris Poll showed that reading was the most popular spare time activity in the US.
哈里斯民意调查的结果显示，阅读是最受美国人民欢迎的消遣活动。
The entertainment department of our Student Union organizes an activity in which each class shoots a short movie.
我们学生会的娱乐部组织了一次活动，每个班级要为此拍摄一部短片。
The raising of livestock is a major economic activity in semiarid lands, where grasses are generally the dominant type of natural vegetation.
在半干旱地区，草地通常是最主要的天然植被，而该地区主要的经济活动是家畜饲养。
One of the bits of evidence that supports this is that when people are trying to solve a problem, they typically have increased muscular activity in the throat region.
支持这一观点的证据之一是，当人们试图解决一个问题时，他们通常会增加喉部的肌肉活动。
The brains of teenagers, but not adults, showed greater activity in two regions associated with rewards when they were being observed by same-age peers than when alone.
青少年在被同龄的人观察时，大脑中两个与奖励相关的区域比独处时表现出更剧烈的活动，成年人则不然。
More than a century of mechanization has already turned farming into an industrial-scale activity in much of the world, with farms that grow cereals being the most heavily automated.
一个多世纪的机械化已经使农业在世界上许多地方变成了工业规模的活动，种植谷物的农场是自动化程度最高的。
He watched for signs of activity in the house.
他注视着那所房子里的动静。
Damage to the cerebellum can disrupt motor activity in other ways.
小脑损伤可能连带影响运动机能。
When is the activity in the park?
公园里的活动什么时候举行？
It's a very popular festival activity in north China.
它在中国北方是一个非常流行的节日活动。
For Japanese, eating out was their favourite activity in their free time.
对于日本人来说，外出就餐是他们闲暇时最喜欢的活动。
The results showed that reading was the most popular activity in the United States, followed by watching TV.
调查结果显示，阅读是美国人最喜欢的活动，其次是看电视。
The audience is caught up in a whirlwind of activity in simply managing to follow the plot.
观众们置身于一场行为快速切換的旋风中，仅能勉强跟上情节发展。
When people uttered a falsehood, the scientists noticed a burst of activity in their amygdala.
当人们说假话时，科学家们注意到他们的杏仁核会突然活跃起来。
Grazing herds stimulate microbial activity in the soil, helping to capture water and separate carbon.
放牧能刺激土壤中的微生物活动，帮助水分的获取和碳的分离。
In fact, various emotional states give rise to certain patterns of electrical activity in the facial muscles and in the brain.
事实上，不同的情绪状态会在面部肌肉和大脑中产生特定的脑电活动模式。
Although the origins are uncertain, experts think that this is largely due to the high level of volcanic activity in the area.
尽管起源还不确定，专家认为这主要是由该地区频繁的火山喷发所造成的。
Others opted to lie, and they showed increased activity in their frontal parietal control network, which is involved in difficult or complex thinking.
其他人选择撒谎，而他们的额顶叶控制网络的活动增加了；这部分大脑与困难或复杂的思考有关。
The change of antioxidant enzyme activity in Skeletonema costatum, Heterosigma akashiwo and Alexandrium tamarense under UV-B radiation enhancement were studied.
研究了赤潮异弯藻、亚历山大藻和中肋骨条藻抗氧化酶活性对UV-B辐射增强的响应变化。
Lilium brownii Polysaccharide can increase the hypoxia tolerance, anti-oxidation action and immuno-enhancing activity in mice.
百合多糖具有增强小鼠耐缺氧能力、抗氧化及免疫增强作用。
You can test each activity in isolation.
你可以单独测试每个活动。
Then continue this activity in pairs.
然后两人一组继续这项活动。
Every activity in life carries some degree of risk.
生活中的每一种活动都存在一定程度的风险。
Fighting is a constant activity in our modern society.
斗争是现代社会的频繁活动。
Each activity in the diagram has an implementation.
图中的每一个活动都有一个实现。
Each activity in the diagram has an implementation.
图中的每一个活动都有一个实现。
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