chiKK [kaɪ] /kaɪ/发音名词1气、元气She believes acupuncture helps the chi flow freely through the body.她相信针灸能让气在体内顺畅地流动。2希腊字母χThe symbol for the twenty-second Greek letter is chi.希腊文第二十二个字母的符号是χ。3卡方统计We ran a chi square test on the survey results.我们对调查结果做了卡方检定。用这个字练口说→