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pen pear pan pardon part party pass on past pay pay for P.E. perhaps person photograph pig pill pity plant play playground play with point point to polite politely population possible port PRC prefer prefer...to produce program people quiet quietly r

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SSS 2008-07-23

This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a few minutes? Today we have a special edition featuring a brief interview with Sciam editor, Steve Ashley. Steve Ashley, a lot of people are very concerned about oil right now, b

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商务英语必备1000字 Unit30

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natality 生育 fertility 生育率 fecundity 生育能力 birth rate, natality rate 出生率 births 出生人数 parity 胎次 premature birth 早产 life birth 活产 stillbirth 死产 birth peaks 出生高峰 mortality 死亡 mortality rate 死亡率

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left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased

《荒野求生》之跟着贝尔去冒险第397期:身边鲨鱼环绕

I want to make for the highest point on this ancient volcano 我想登上这座古老火山的最高点 for the best view of what this island has to offer, 以便弄清 这小岛之中有何玄机 but this terrain is difficult and unpredictable. 但是