keep-fit的用法和樣例：
例句
用作名詞 (n.)
- Gymnasts do everyday exercises to keep themselves limber.
體操運動(dòng)員每天都做運動(dòng)保持身體柔軟。 - The pain of the coughing fit had not quite driven out of Winston's mind the impression made by his dream, and the rhythmic movements of the exercise restored it somewhat.
那場(chǎng)大夢(mèng)在溫斯頓心里留下的痕跡煞是強烈，咳嗽大發(fā)作帶來(lái)的痛苦也未能趕它出去，體操有節奏的動(dòng)作倒有點(diǎn)恢復了它。
