VOA慢速英语:研究称白人至上主义者领导新一波外国战斗人员

jihadist – n. an Islamic militant or extremist

white supremacist – n. a person who believes that the white race is better than other races

region – n. a part of an area, state or country that is different or separate from other parts in some way

challenge – n. a difficult job or problem

global – n. involving the entire world

network – n. a group of people or organizations that are closely connected and that work with each other