high-risk group

• 高危人群

high-risk group的用法和样例：

例句

1. Haing unusual moles, exposure to sunlight and being fair-skinned are thought to place people at higher risk.
   具有较大的痣，接受阳光暴晒和较浅肤色者被认为是皮肤癌的高危人群。
2. The floating population is both the high-crisis group of ADS Infection and the Important Intermediary of ADS.
   摘要目前流动人口既为感染艾滋病病毒的高危人群，又为艾滋病扩散的重要媒介。