refugee flow

• 难民潮

refugee flow的用法和样例：

例句

1. China might decide to send troops across the border, in order to staunch a refugee exodus on North Korea's territory rather than its own.
   中国有可能决定派军队越过边界，阻止难民潮，将其控制在朝鲜境内，而不是等难民越境进入中国了再采取措施。