ADJ [ADJ n] 先前存在的；先于…而存在的 A pre-existing situation or thing exists already or existed before something else. 先前存在的；先于…而存在的
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...the pre-existing tensions between the two countries.
两国之间已经存在的紧张局势
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...people who have been infected in the course of their NHS treatment for a pre-existing illness.
因已患疾病接受国民健康保障治疗但在治疗过程中被感染的人