keep-fit

n. /ˌkiːpˈfɪt/ B1

健身锻炼；保持健康

Physical exercises done regularly to stay healthy and active.

仙境例句

The Duchess tossed the baby up and down and called it keep-fit for them both.

公爵夫人把小婴儿上下乱抛，还说这是她俩的健身操。