concentration cell的用法和樣例：
例句
- The chemical concentration cell is produced when both electrodes are of the same metal but the electrolyte provides a higher concentration of chemicals around one electrode.
兩個(gè)電極有相同的金屬，但在一個(gè)電極周?chē)碾娊橘|(zhì)內有較高化學(xué)物質(zhì)濃度時(shí)，產(chǎn)生化學(xué)濃差電池。
