...the pre-existing tensions between the two countries.
两国之间已经存在的紧张局势
...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
👨🏻🏫 Mr. Ng 柯林斯詞典 📚 – collins.mister5️⃣.net切換為繁體中文