Physically inactive people are at risk of developing heart disease.

　　不運動的人有患心臟病的危險。

　　This expression is used to describe someone who is inactive.

　　這個短語通常用來形容某人沒反應(yīng)、不活躍。

　　A new algorithm for inactive orbital optimization in valence bond theory

　　價鍵方法中的非活性軌道優(yōu)化新算法

　　The world market, you see, have be rather inactive recently.

　　您知道世界市場近來很不景氣。

　　I don't want to lead an inactive life.

　　我不想過沉悶的生活。