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 气: 生命力或能量流是一切的一部分Acupuncture restores the flow of chi through needle insertion at points on the body. 针灸通过在身体上的穴位插入来恢复气的流动。