Research shows that given 15 minutes of free play, four- and five-year-olds will spend a third of this time engaged in spatial, mathematical, and architectural activities.

研究表明，如果给定15分钟的自由玩耍时间，四到五岁的孩子会将其中三分之一的时间花在有关空间、数学和建筑的活动上。

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Drawing back my free hand, I struck the bear as hard as I could for five to six times.

我缩回空着的那只手，使劲地打了那只熊五六下。

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Google is already famed as an extremely benevolent employer, giving its workforce free food, free laundry and five months 'maternity leave on full pay.

谷歌的人性化政策已经全球闻名，这里的员工有免费食品，免费洗衣服务，以及五个月的带薪产假。

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Although it was a limited-run program, hundreds of tracks by Miles Davis were beamed across the country, non-stop and commercial-free for five straight days.

VOA: standard.2009.12.25

The last free milk - for five to seven year olds ended in 1980.

BBC: News | Education | School milk subsidy defended

Trade between the countries has been growing ever since they reached a bilateral free-trade agreement five years ago.

WSJ: New Zealand, China in Talks on Convertibility of Currencies

Greater than 90 percent of those diagnosed with renal cancer still confined to the kidney are alive and disease-free five years after diagnosis.

CNN: Could my kidney cysts be cancerous?