sit up片语动词KK [sɪt ʌp] /sɪt ʌp/发音片语动词1坐直、端坐Sit up straight and stop slouching at the table.坐直一点,别在餐桌上驼著背。2坐起来、起身坐著She sat up in bed and turned on the lamp.她在床上坐起来,打开了台灯。3熬夜、不睡等候We sat up all night waiting for the results.我们熬了一整夜等结果。4注意起来、警觉、吃惊多用于 sit up and take noticeThe sudden drop in sales made investors sit up and take notice.销售额突然下滑,让投资人立刻警觉起来。5扶…坐起可拆开The nurse sat the patient up to help him breathe.护士把病人扶起来坐著,帮助他呼吸。名词1仰卧起坐He does fifty sit-ups every morning before breakfast.他每天早餐前做五十个仰卧起坐。用这个字练口说→