1834, from Greek kation "going down," neuter present participle of katienai "to go down," from kata "down" (see cata-) + ienai "to go" (see ion). Proposed by the Rev. William Whewell (1794-1866), English polymath, and published by English physicist Michael Faraday.
雙語例句
1. Messaging allows real-time communi-cation by keyboard with up to five people at any one time.
電子信息發(fā)送能使多至5人同時通過鍵盤進行實時交流。
來自柯林斯例句
2. A spokesman said: "We have no comment regarding the publi-cation of these photographs."
一位發(fā)言人說，“對于這些照片的公之于眾，我們不予置評?！?/dd>
來自柯林斯例句
3. Cation exchange capacity generally increases with an increase in broken bonds.
通常陽離子交換量隨破裂增加而增大.
來自辭典例句
4. An increase in cation exchange capacity of the tissue should be observed.