about

It takes about an hour to get there.

到那里大约需要一个小时。

It takes about two weeks to process a visa application.

处理签证申请大约需要两周时间。

The population of the village is about three thousand.

这个村庄的人口大约有三千人。

I usually tip the waiter about fifteen percent.

我通常会给服务员大约百分之十五的小费。

He looks about forty years old.

他看起来大约四十岁。

The Pacific covers about one-third of the Earth's total surface area.

太平洋覆盖了地球总表面积的大约三分之一。

My daily commute takes about forty minutes by train.

我每天坐火车通勤大约需要四十分钟。

The medicine will take about thirty minutes to kick in.

药物大约需要三十分钟才能开始起作用。

The average annual rainfall in this region is about 800 mm.

该地区的年平均降雨量约为800毫米。