Therefore a gradually decreasing infant mortality rate has led to a proportionate decrease in the size of our brains.

因此，婴儿死亡率的逐渐降低导致大脑容量成比例的减少。

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But the infant German institution has the financial support to triple the size of its faculty within five years.

但这家新兴的德国学院拥有足够的资金可以在五年内使师资人数达到目前的三倍。

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The shirt is sold in 62 varieties, including an infant-size bodysuit in organic cotton for $22.95.

这样的T恤共有62种款式出售，其中包括一件价值22.95美元，有机棉材质的婴儿衣。

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