A second experiment zoomed in on the age period of two to three years, to see how colour preferences changed during this crucial year.

第二个实验重点关注二到三岁这个年龄段，看在这个关键的一年颜色偏好是怎么变化的。

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Consumer prices in Australia rose by 2.5% in the first three months of this year compared with the same period in 2008.

同2008年同期相比，今年前三个月澳大利亚消费者价格上涨2.5%。

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Washington's police stopped 39% fewer meth-addled drivers in the first three months of this year, compared with the same period last year.

与去年同期相比，华盛顿警察截住的瘾君子司机少了39%。

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As a result, the renminbi appreciated 9.4% against the dollar in this three-year period.

FORBES: The second in a four-part series. See Part One.

Some even suggested that one of the females could have had sex in the wild and stored the sperm in her body - but the three-year period in captivity made this explanation highly unlikely.

BBC: NEWS | Science/Nature | Captive shark had 'virgin birth'

Boston also nearly blew a 3-1 series edge in the opening round this year against Toronto, before rallying from a three-goal deficit in the third period and capturing Game 7 in overtime.

NPR: Paille's Goal Puts Bruins On Verge Of East Finals