柯林斯词典keep fit 1. N exercises designed to promote physical fitness if performed regularly 保持健康2. N (as modifier) 保持健康的 keep-fit classes 返回 keep-fit剑桥词典physical exercises to keep your body healthy , often done regularly with other people 健身；鍛鍊 a keep-fit class 健身課 返回 keep-fit