Xi (/ zaɪ / ZY or / (k) saɪ / (K)SY; [1][2] uppercase Ξ, lowercase ξ; Greek: ξι) is the fourteenth letter of the Greek alphabet, representing the voiceless consonant cluster [ks]. Its name is pronounced [ksi] in Modern Greek. In the system of Greek numerals, it has a value of 60. Xi was derived from the Phoenician letter samekh .

Chi (/ kaɪ / ⓘ KY, also / xiː / HEE; [1][2] uppercase Χ, lowercase χ; Greek: χῖ) is the twenty-second letter of the Greek alphabet. Its value in Ancient Greek was an aspirated velar stop /kʰ/ (in the Western Greek alphabet: /ks/). In Koine Greek and later dialects it became a fricative ([x] / [ç]) along with Θ and Φ.

2016年6月25日 · Once the Milesian alphabet was adopted by Athens, xi was reintroduced to the rest of Greece as /ks/. So: possibly, xi was an attempt to make use of a Phoenecian letter with a /ʃ/ pronunciation (actually samekh was the /ʃ/ pronunciation: the letters got mixed up).

2021年11月28日 · CLAIM: The World Health Organization skipped two letters of the Greek alphabet, nu and xi, when naming omicron, a newly identified variant of the coronavirus. AP’S ASSESSMENT: True. The agency said it did so to stop people confusing nu with “new” and to avoid “causing offense” because Xi is a common last name.

The Greek alphabet - letters & symbols table.

2022年7月5日 · "ri" vs "chi" and "shi" show us what I'll call "short i" (as opposed to what I'll call "Italian i" as in qi, yi, etc.). "ri" doesn't have the final "-ur" sound of Beijing "shi, "chi."

The chi xi stigma stands as a powerful testament to the enduring power of faith and the resilience of early Christians. It serves as a reminder that even in the face of adversity, faith can manifest itself in the most unexpected ways.

A dishonest mistranslation of Chi xi stigma was really the only option facing mediaeval translators. But the logic for the cross becoming the universally recognized symbol of Christendom is truly remarkable; for if Jesus had been killed with a mace, would a “mace” have become the revered symbol of the Savior?

2020年2月10日 · It is ok, practice makes perfect. You just said twice ”Ci” or ”Chi”. Try to pronounce ”Zi” or ”Zhi”. Remember the feeling you pronounce /z/ in English.

2023年10月31日 · AMBA系列历时更新五代，目前我们广泛使用和接触的就是AMBA5，在第五代协议中， CHI协议成为“最终boss”登场，难道无数工程师。