stay up片语动词KK [ste ʌp] /steɪ ʌp/发音片语动词1熬夜、不睡觉We stayed up talking until three in the morning.我们熬夜聊天,一直聊到凌晨三点。2保持不掉落、固定在上面The shelf won't stay up without stronger brackets.没有更坚固的托架,这个架子固定不住。3维持在高位、居高不下Rents have stayed up despite the drop in demand.尽管需求下降,租金依然居高不下。4保留在网上、不被撤下The video stayed up for a week before it was removed.那段影片在网上放了一周才被撤下。用这个字练口说→