• n. [化學(xué)] 陽離子；[化學(xué)] 正離子
• n. (Cation)人名；(英)凱申

cata-, 向下。ion, 離子，來自拉丁詞eo, 走，詞源同exit(eo過去分詞), commencement(eo現(xiàn)在分詞)。

cation (n.)

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.

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(jìn)行實(shí)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.

可以觀察到植物組織中陽離子置換能力的提高.

來自辭典例句

5. The cation penetrates the spore.

這種陽離子能透入孢子.

來自辭典例句