我们无法直接度量出疼痛的程度，而只能是作出估计。We cannot measure pain directly. It can only be estimated.埃及人很有可能用不同长度的24小时来度量日子。The Egyptians probably measured their day in twenty-four hours of unequal length.长是一种度量, 宽又是另一种度量.Length is one dim...
There is a concern about replenish-ment of the population.有人担心人口的补充问题。Three hundred thousand tons of cereals are needed to replenish stocks.需要30万吨谷类补充库存。to replenish food and water supplies补充食物和水...