susceptible group的用法和樣例：
例句
- A susceptible population is a group of people who are more likely than others to experience a certain disease.
易感人群是指較他人更易得某種疾病的人群。 - This increases the risk of dengue haemorrhagic fever epidemics by introducing new dengue viruses into susceptible populations.
通過將新的登革病毒傳入易感人群增加了登革出血熱流行的危險。
