separator trap

例句：

1. 1. The separation of the two groups was due to a separator trap.
   两组的分离是由于一个分离器陷阱造成的。
2. 2.The separator trap prevented the animals from crossing over.
   这个分离器陷阱阻止了动物跨越。
3. 3.The separator trap was designed to prevent the spread of disease among the workers.
   这个分离器陷阱被设计用来防止疾病在工人之间传播。