peripheral electron

例句：

1. 1. The company'sgrowth is largely driven by its peripheral operations.
   该公司的增长在很大程度上是由其外围业务驱动的。
2. 2. The research team focused on the peripheraleffects of climate change.
   研究团队专注于气候变化的外围效应。
3. 3. The new policy will havea marginal impact on the economy.
   这项新政策将对经济产生微小影响。