点击下方单词,选择对的这个单词
名词
1. 死亡人数;死亡率The mortality in a particular place or situation is the number of people who die.
1. the quality or state of being mortal
2. the ratio of deaths in an area to the population of that areaexpressed per 1000 per year
Synonym: deathratedeath ratemortality ratefatality rate
多通过句子记忆单词,而不是单独死记硬背。