Save yourself the hassle and stay trim year-round with these proven methods.

根据以下百试不爽的方法，让自己摆脱烦恼，一整年都保持苗条身姿。

In order to stay trim and clear-minded, astronauts make use of three main pieces of gym equipment specially designed and calibrated for life on board.

为了保持身材匀称、头脑清醒，宇航员们主要使用三种健身器材，这些器材是为太空生活专门设计和校准的。