The drill takes about three hours to recharge.
钻机充一次电大约要三个小时。
I should imagine it will take about three hours.
我想得用差不多三个小时吧。
It'll take about three weeks, give or take a day or so.
这要花大约三周时间，出入不过一天左右。
You'll have to be quick. The flight leaves in about three hours.
你得快点了，那个航班大约3小时后就起飞了。
Reports usually come out about three weeks after each month ends.
报告通常在每月结束后大约三周发布。
We've been introduced about three times.
我们已经被介绍过三次了。
A cup of coffee costs about three dollars.
一杯咖啡大约花费3美元。
The theatre was about three quarters full.
剧场大约坐了四分之三的人。
He has collected about three hundred stamps.
他已经收集了大约三百张邮票。
We drove about three blocks then the motor died.
我们开了大约三个街区，然后发动机坏了。
We sent out the party invitations about three weeks ago.
我们在大约三周前就已经发出了聚会邀请函。
After about three months, the bananas are ready to be picked.
大约三个月后，香蕉就可以采摘了。
I want to get married after graduate school in about three years.
我想在研究生毕业后大约三年内结婚。
Nationwide, only about three percent of early childhood teachers are male in the U.S.
在美国，只有大约3%的幼儿教师是男性。
The regional road was in such bad shape that access to the main towns was impossible for about three months of the year.
当地的道路状况极差，以至于通往主要城镇的道路，在一年中有将近三个月的时间是无法通行的。
It takes about three weeks to a month to notice significant changes in your weight due to altering your training program.
由于改变了训练计划，需要大约三周到一个月的时间才能注意到自己体重的明显变化。
We moved to London about three months ago because Bob got a new job, and we're living in a small flat while we try to find a house.
我们三个月前搬到伦敦，因为鲍勃找到了一份新工作；我们住在一个小公寓里，同时我们也试着找房子。
What is even more interesting is that the brain takes in all the information to create that first impression in about three seconds.
更有趣的是，大脑会在大约三秒钟内吸收所有的信息来创造第一印象。
The cerebellum contains about three million neurons, which also allows you to once again experience the complexity of these systems.
小脑包含大约三百万个神经元，这也能够让你再次体会到这些系统的复杂性。
Consistent with this view, parents and children increasingly engage in discussions of past events when children are about three years old.
与这一观点相一致的是，当孩子大约三岁时，父母和孩子越来越多地参与到对过去事件的讨论中。
Applying the most conservative estimates to current demographic trends, the human population will increase by about three billion people by then.
按照对目前人口趋势的最保守估计，到那时人口将增加约30亿人。
According to the Centre for Strategic and International Studies, about three quarters of energy we use to move things, including ourselves, accomplish no useful work.
根据战略与国际研究中心的数据，我们用于移动包括我们自己的物体的能量中，约有四分之三没有完成任何有用的工作。
According to the Center for Strategic and International Studies, about three quarters of the energy we use to move things, including ourselves, accomplishes no useful work.
战略与国际研究中心表示，包括我们自己在内，我们用来移动事物的能量中，约有四分之三的能量没有产生有用功。
Toni reckoned that it must be about three o'clock.
托尼想一定是3点钟左右了。
At the end of the first trimester, the fetus is about three inches long.
在怀孕的第三个月末，胎儿差不多有三英寸长了。
These pauses typically occur at about three per second, and the eyes then jump to another spot, until several important points in the image are registered like a series of snapshots.
这些停顿通常以每秒3次的速度发生，然后目光会跳到另一个点，直到图像中的几个重要点被记录下来，就像一系列快照一样。
Dad, about three quarters of our classmates wear glasses.
爸爸，我们班四分之三的同学戴眼镜。
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