we should do sports every morning or every evening and often open windows to keep the air fresh.wash our hands often,especially before meals and have healthy food and drink enough water every day.we shouldn't spit everywhere.if everyone has a good habit, we would keep fit.
我們應(yīng)該每天早上或晚上做一些體育鍛煉。我們也應(yīng)該勤開窗通風,經(jīng)常洗手,尤其飯前,并且吃健康食品,每天喝水。我們不應(yīng)該隨地吐痰。如果每個人都養(yǎng)成好習慣,我們就能保持健康。