negative rain

• 带负电雨

negative rain的用法和样例：

例句

1. Therefore the whole atom is neither positive nor negative.
   因此，整个原子，既不带正电，也不带负电。
2. The positive nanocapsule can interact with the negative biomembrane, resulting in targeted delivery on specific sites.
   带正电的奈米胶囊，可与带负电的生物膜交互作用，而达到特定位置之标靶投药。