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。
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。
This building is about three floors, plus the ground floor, making it four floors.
这栋建筑大约三层楼高，加上地下一层总共四层。
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。
He went up from North Denmark to a deserted island of the coast of Norway and stayed there for about three weeks.
他从北丹麦到挪威海岸的一个荒岛上，在那里住了大约三个星期。
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。
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。
The theatre was about three quarters full.
剧场大约坐了四分之三的人。
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