ring current的用法和樣例：
例句
- This phenomenon, the defining feature of geomagnetic storms, resulted from the rapid growth of the ring current.
這個現象是一項重要指標，可用來定義磁暴的發生，其原因是環電流迅速增強。 - Since fulvenes show no evidence of ring currents, the chemical shifts of the protons will be found in the normal definite region.
既然富烯不顯示環電流存在的跡象，所以質子的化學位移仍然發生在正常的鏈烯區。
