It's like juggling three or four balls at the one time and most women seem to do it effortlessly.
这就像同时抛接三个或四个球，而大多数女性似乎毫不费力就能做到。
Thus, our picture of Venus at around the time life was getting started on earth is one of warm oceans, probably rich with organic molecules splashing around rocky shores and volcanic vents.
因此，在地球上生命开始的时候，我们所看到的金星是一片温暖的海洋，这片海洋可能富含在岩石海岸和火山口周围飞溅的有机分子。
After dinner, it's time to hit the books again—at one of Seoul's many so-called cram schools.
晚饭后，又到了在首尔众多所谓的一个补习班里读书的时间了。
At its most straightforward, a green neighborhood simply means more places for kids to play—which is vital since time spent outdoors is one of the strongest correlates of children's activity levels.
从最直接的意义上说，一个绿色社区仅仅意味着有更多的地方供孩子们玩耍，而这是至关重要的，因为户外活动时间是与孩子们的活动水平最相关的因素之一。
Must we face the thought that at some time in the distant future everyone will need to carry in their handbag or pocket one of the miniature calculators?
我们必须面对这样的想法：在遥远的将来，每个人都需要在他们的手提包或口袋里放一个微型计算器吗？
They are interesting for the fact that they are very plain and undecorated for the time, with only one plain central panel at the back and no armrests.
很有趣的是，当时它们很普通，没有装饰，只是后面有一个简单的中央面板，没有扶手。
It would have been better to have thinned the trees over several winters rather than all at one time.
当初要是分几个冬天来疏剪树木，会比一次性疏剪要更好些。
It's a very important explanation and much debated, that at a critical time in the battle, one technique would be that one side would give one great big shove.
它是一种很重要的解释，而且饱受争议，那就是在战局一个重要的时刻，有一项技术就是一方给对方致命一推。
When we look at a face or a picture, our eyes pause on one spot at a time, often on the eyes or mouth.
当我们看一张脸或一幅画时，我们的眼睛每次都停留在一个地方，通常是在眼睛或嘴巴上。
Each one of the boys was one of the gentlemen who lived in Hawaii at the time, and he was looking for a bride and wrote a letter to a Japanese woman.
每个男生都是当时住在夏威夷岛的绅士之一，而他当时正在寻找新娘，并给一名日本女人写了封信。
Most people don't tan after just one day at the beach, or one session in the tanning bed, because it takes time to make melanin.
大多数人只在沙滩上玩一天或者使用晒黑床一段时间不会被晒成古铜色的皮肤，因为黑色素的合成是需要时间的。
After another round of the game, one of the players and I fell to the ground at the same time.
又一轮比赛后，我和其中一名队员同时倒在了地上。
At the same time, one of the hottest trends in public schooling is what's often called dual-language or two-way immersion programs.
与此同时，公立学校中最热门的潮流之一就是所谓的双语言或双向浸入式课程。
The fact that lake levels in the semiarid southwestern United States appear to have been higher during the last ice age than they are now was at one time attributed to increased precipitation.
美国西南部半干旱地区的湖泊水位在上一个冰河时代似乎比现在更高，这一事实曾一度归因于降水增加。
Norman spent most of his time from age 7-17 on the farm, even as he attended a one-room, one-teacher school at New Oregon in Howard County.
从7岁到17岁，诺曼的大部分时间都在农场度过，甚至是当他在新俄勒冈州霍华德县的一所只有一间教室和一名教师的学校上学的时候。
They find themselves surrounded, and Paris is one-third the size of London at this same time, or at any other time, but it has a huge circumference.
他们发现自己被包围了，而巴黎的面积相当于当时或其他任何时候伦敦的三分之一，但它的周长很大。
At the time of the first interview, at least one of the partners was over the age of 50.
在第一次面试时，至少有一位搭档超过了50岁。
You trust that the peeling of your fluff will reveal slowly, one layer at a time.
你相信你的绒毛会慢慢地、一次一层地剥开。
Only one task may hold the mutex at a time, and only this task can unlock the mutex.
一次只能有一个任务持有互斥锁，并且只有这个任务可以解锁互斥锁。
Paying kids for housework is one of the most popular topics, especially at a time when everyone is more careful about money.
为孩子做家务付钱是最流行的话题之一，尤其是在这个大家都对钱都更谨慎的时代。
The rover should have at least one Martian year, to roam the planet, during which time it will collect, grind and analyze around 70 samples of rock and soil.
流浪者至少要待一个火星年，去漫步这个星球，在这期间，它将收集、研磨和分析大约70个岩石和土壤样本。
In the past few months, I've been traveling for weeks at a time with only one suitcase of clothes.
在过去的几个月里，我旅行了好几个星期，只带了一行李箱的衣服。
She says the current way to identify whether chemicals cause cancer is to test them one at a time.
她说目前确认化学成分是否造成癌症的途径每次对其进行试验。
The elastic heart of youth cannot be compressed into one constrained shape long at a time.
年轻人的天性轻松愉快，不可能长久地被抑制。
At this time, the judge will appoint a court lawyer to defend the suspect if he can't afford one.
在这个时候，如果嫌疑人没有经济能力雇用律师，法官会指定一名法庭律师为他辩护。
At this time, too, the judge will appoint a court lawyer to defend the suspect if he can't afford one.
在这个时候，如果他请不起律师的话，法官也会指定一名法庭律师来为嫌疑人辩护。
At one time it was thought that these matrix grains might be pristine nebular dust, the sort of stuff from which chondrules and inclusions were made.
曾经有人认为，这些基质颗粒可能是原始的星云尘埃，即形成陨石球粒及其内含物的物质。
Only at the time when one's breathing, mind and posture get into one, one is in the condition of yoga exercise.
只有当呼吸、意识和姿势结合成一体时，才是真正的瑜伽练习。
Students studying for a particular degree will take a series of lecture courses which run in parallel at a fixed time in each week and may last one academic term or the whole year.
攻读特定学位的学生将在每周的固定时间同时参加一系列讲座课程，可能持续一个学期或一整年。
Drop the coins onto the table, one at a time.
把硬币丢到桌子上，一次扔一个。
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