缩写:Ex.

n. 运动练习运用操练礼拜典礼

vt. 锻炼练习使用使忙碌使惊恐

vi. 运动练习

Do you take regular exercise?

你经常锻炼吗

Exercise tones up your body.

运动强健身体。

Riding a bike is great exercise.

骑自行车是很好的锻炼。

Swimming is good exercise.

游泳是有益的运动。

How often do you exercise?

你多长时间锻炼一次