首頁›Browse›S›sit up straightsit up straight編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看sit up straightsit up straight — 動詞動詞1. to change your position so that your back is straight and you are not slouching1.動詞釋義坐直to change your position so that your back is straight and you are not slouching例句The teacher told the students to sit up straight.