Tai Chi is an ancient form of self-defence.

太极拳是一种古老的自卫手段。

《柯林斯英汉双解大词典》

You can also take an online class and try tai chi at home.

你也可以参加在线课程，在家里尝试太极。

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Tai chi, part of Chinese culture, is an exercise which helps people improve themselves in health.

太极是中华文化的一部分，是一种帮助人们提高健康水平的运动。

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Last year senior Chi-An Wang spent a semester helping it design a new triathlon shoe.

FORBES: Magazine Article

Chi-An Wang went on to a job at Guidant as a research engineer.

FORBES: Health

Chi-An Wang went on to a research-engineer job at Guidant.

FORBES: Technology