由于疫苗接种计划,该疾病的死亡率已显著下降。

The mortality rate from the disease has significantly decreased due to vaccination programs.

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The mortality rate from the disease has significantly decreased due to vaccination programs.

mortality 是名词,来自形容词 mortal(会死亡的)。mortal 由词根 mort-(表示“死亡”)和形容词后缀 -al 组成。mortality 指“死亡的状态或比率”,即“死亡率”。

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