健身球

exercise bike───固定式健身脚踏车

exercise book───练习本

exercise yard───运动场；活动场地

exercise bench───运动台

exercise bikes───固定式健身脚踏车

exercise books───练习簿

exercise class───习题课

exercise cycle───骑自行车锻炼

exercise habit───运动习惯

He then meets a female cat named Mittens and a hamster who never leaves his exercise ball, and eventually he discovers that all of his powers are fake.───随后遇上了一个叫米特·恩斯的母猫和一个健身球从不离身的仓鼠，最终，他才发现他所有的所谓的超能力都是假的。

Sit on an exercise ball and do one minute of ab curls.───坐健身球上，收腹1分钟。

Polyurethane Tai Chi Exercise ball, It is soft, light in weight, and good elasticity.───聚氨酯太极球, 手感柔软性好,环保, 重量轻, 弹性好.

Some experts on sitting recommend "active sitting" using an exercise ball, kneeling stool or something else without a high back.───专家建议“积极坐姿”。不管健身球还是凳子，只要没有高靠背就好。