你是那么专注于一项活动，以致忘了时间。
You become so deeply absorbed in an activity that you lose track of time.
我不能把时间浪费在这种无聊的活动上。
她只用自己一半的时间从事政治活动。
我从星期一到星期五从来没有时间外出参加社交活动。
屏幕时间取代了孩子的其他活动。
现在是户外活动的时间了。
这些活动占去了她的大部分时间。
教师们该如何证明花费大量时间来进行户外活动是合理的呢？
How can teachers justify spending so much time on outdoors activities?
另一些人认为这种活动会占用学生大量的时间，妨碍他们的学习。
Other people think this activity will take up plenty of time of students and get in the way of their study.
研究人员观察了一些可能导致幸福感下降的活动所花费的时间。
The researchers looked at time spent in a number of activities that could plausibly be driving the wellbeing decline.
不同种族的室友在一起的时间更少，共同参与的活动也比白人组合少。
The interracial roommates spent less time together, and had fewer joint activities than the white pairs.
大多数人认为学生应该少花时间记忆事实，给创造性活动更多的空间。
Most said students should spend less time memorizing facts and have more space for creative activities.
由于吃饭、睡觉和料理家务，许多美国人几乎没有时间参加休闲活动。
With the time spent eating, sleeping and taking care of the household duties, there's little time left for leisure activities for many Americans.
同时，要确保看屏幕的时间不会取代健康的睡眠、锻炼、做作业和其他活动。
Also, make sure that screen time does not take the place of healthy sleep, exercising, doing homework and other activities.
当被问及要放弃什么活动一周时间最难，48%的人说是听音乐。
When asked which activity would be the most difficult to give up for a week, 48% said listening to music.
随着罗马帝国向北扩张，它构建活动图的大部分时间是在太阳年前后。
As the Roman Empire expanded northward, it organised its activity chart for the most part around the solar year.
专注学业“技能训练”大大减少了课间休息和自由活动的时间。
The focus on academic "skills and drills" has cut deeply into recess and other time for free play.
春天和初夏的大部分时间她的主要活动地点是她在康涅狄格州的家。
For most of the spring and early summer her base was her home in Connecticut.
自2006年以来，上网时间翻了一番，而与此同时，社交媒体的使用也已经从定期活动变成了日常活动。
Online time has doubled since 2006, and social media use has moved from a periodic activity to a daily one in the same period.
越来越多的年轻人选择把时间花在电子设备上，而不是参加其他活动，不论是什么类型的活动。
More and more, young people choose spending time on their electronic devices over engaging in other activities, regardless of the type.
多年来，很多学者坚持认为，上网时间不一定会占用花在传统媒体或者其他活动上的时间。
Over the years, many scholars have insisted that time online does not necessarily take away time spent engaging with traditional media or on other activities.
吉姆和埃米莉参加学校的各种活动，但他俩大多数时间也待在家里。
Jim and Emily are involved in school activities, but they too spend most of their time at home.
在新的城市和小镇，由于其空间的限制，那里的居民必须要知道确切的时间且安排好时间，以组织集体活动和分配空间。
The new cities and towns, squeezed by their walls, had to know and order time in order to organize collective activity and ration space.
研究人员观察了人们在一些活动上花费的时间，这些活动似乎是导致幸福感下降的原因。
The researchers looked at time spent in a number of activities that could plausibly be driving the well-being decline.
由于吃饭、睡觉和料理家务，许多美国人几乎没有时间参加休闲活动。
With the time spent eating, sleeping, and taking care of household duties, there's little time left for leisure activities for many Americans.
许多学者声称，花时间在电子设备上并不一定意味着减少其他活动的时间。
Many scholars claim that spending time on electronic devices doesn't necessarily mean a decrease of time for other activities.
在过去十年左右的时间里，美国青少年对社交媒体的使用从偶尔的活动变成了日常活动。
Over a decade or so, American teens' social media use shifted from an occasional activity to a routine one.
志愿活动是无偿地付出时间去帮助别人。
在电视发明之前，人们会把空闲时间花在更积极的消遣和社会活动上。
Before the invention of television, people spent their leisure time in more active and social pursuits.
一般来说，如果你停止正常活动一段时间，脚踝的伤很快就会痊愈。
Usually, ankle injuries heal quickly if you stop regular activities for a while.
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