chiKK [ˋkaɪ] /ˈkaɪ/名詞1氣、元氣She believes acupuncture helps the chi flow freely through the body.她相信針灸能讓氣在體內順暢地流動。2希臘字母χThe symbol for the twenty-second Greek letter is chi.希臘文第二十二個字母的符號是χ。3卡方統計We ran a chi square test on the survey results.我們對調查結果做了卡方檢定。