Its only half an hours car ride.

只有半小时的车程。

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Our school is half an hours walk from here.

我们学校离这儿步行有半小时的距离。

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They walked on the beach for half an hours.

他们沿着海滩走了半个小时。

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American children now spend an average of seven and a half hours a day watching television or playing with electronic devices.

VOA: special.2010.06.07

Media use totaled an average of five and one-half hours a day.

VOA: special.2009.02.11

She piles persona on top of persona on top of persona for two and a half hours in an effort to overwhelm us with the sheer force and infinite variety of herself: she is the world.

NEWYORKER: For the Boys

And when we finally start getting some data, granular data at the hospital level, we recognize that at some places, you might sit for two and a half hours before an emergency procedure might be performed that could save your life.

FORBES: How Better Data Prevented Heart Attack Deaths

On Easter Sunday 2011, a fever of 106 degrees, caused by numerous serious side effects from my disease, landed me in the hospital for 30 days and snowballed into two surgeries, one of which took nine and a half hours, and an unexpected five-month absence from the company I founded.

FORBES: Move up http://i.forbesimg.com t Move down