我们的健身中心新增了五台水阻动感单车，为会员提供全新的有氧运动体验。

Our fitness center has added five new ___aquaspin machines to offer members a unique cardio experience.

每周三晚上，我都会参加水中有氧单车课程来保持身材。

I attend ___aquaspin classes every Wednesday evening to stay in shape.