susceptible group的用法和样例：
例句
- A susceptible population is a group of people who are more likely than others to experience a certain disease.
易感人群是指较他人更易得某种疾病的人群。 - This increases the risk of dengue haemorrhagic fever epidemics by introducing new dengue viruses into susceptible populations.
通过将新的登革病毒传入易感人群增加了登革出血热流行的危险。
