It called for reducing by half the number of chronically undernourished people by 2015.

呼吁到2015年将慢性营养不良人数减半。

Such a diet would also include reducing by half the amount of meat and sugar consumed.

此外还包括减少一半的肉类和糖份的摄入量。

It called for reducing by half the proportion of undernourished people in developing countries by 2015.

该计划号召截至2015年将发展中国家营养不良的人口比例减少一半。

They hope that by the year 2015, the number of people without toilets will be reduced by half.

他们希望到2015年，没有厕所的人数能减少一半。

The workforce has been reduced by half.

【reduce】职工人数已减少一半。

Generous estimates say that the  European population may have been reduced by half.

慷慨的估计表明，欧洲人口可能已经减少了一半。

But suppose you could reduce it by half, I don't think the risk would be reduced by half.

但是假设你可以将它减少一半，我认为风险不会减少一半。

The reverse is also true, if the radius of the vessel is reduced in half by vasoconstriction, then the blood flow would reduce by 16 fold.

反之亦然，如果通过血管收缩将血管半径缩小一半，那么血流将减少16倍。

If we could stay as vigorous as we are at twelve, it would take about 700 years for half of us to die, and another 700 for the survivors to be reduce by half again.

假如我们能保持12岁时的旺盛生命力，那么我们当中的一半人过700年才会死去，剩下的一半人再过700年，才会又减少一半。

If we could stay as vigorous as we are at twelve, it would take about 700 years for half of us to die, and another 700 for the survivors to be reduced by half again.

如果我们能像十二岁时那样精力充沛，大约需要700年才能让一半的人死去， 再过700年才能让幸存的人再减少一半。