Do some power walking for about twenty minutes a day.

每天做约20分钟的健走活动。

《柯林斯英汉双解大词典》

The pizza will then take about twenty minutes to cook.

接下来，比萨饼大约要用20分钟烤好。

《柯林斯英汉双解大词典》

At least six people were killed and about twenty injured when a train was derailed in an isolated mountain region.

火车在一片偏僻的山区脱轨，导致至少六人死亡，约二十人受伤。

《柯林斯英汉双解大词典》

On average, rhesus monkeys live about twenty-seven years in captivity, that is,when they live with humans and not in the wild.

VOA: special.2009.09.01

Haze drove about twenty feet and stopped the car and then began to back it He backed it over the body and then stopped and got out.

海斯继续向前开了三英尺后，停了下来，开始往后倒,他把车倒到那具尸体上，停下来，然后又开走了。

耶鲁公开课 - 1945年后的美国小说课程节选

And apparently, about twenty minutes later, I came out

然后过了二十分钟左右，我出来了，

FAO Schwarz的回忆 - SpeakingMax英语口语达人

During the past three years, the financial sector as a whole is off about twenty percent.

FORBES: What's Next For Bank of America and Citigroup?

For those movies, a projection speed of about twenty-two frames a second is right.

NEWYORKER: The Artists

The stock market, reflecting this perception, has jumped about twenty per cent since October.

NEWYORKER: Replay