the 22nd letter of the Greek alphabet (X, χ) 希腊字母表的第 22 个字母 - (also qi)[uncountable] (from Chinese) (in Chinese philosophy)
the life force or flow of energy that is part of everything Acupuncture restores the flow of chi through needle insertion at points on the body. 针灸通过将针插入身体的各个部位来恢复气的流动。