sleepfuladj.睡眠的睡得很安宁的.
sleepv.睡觉n.睡眠;睡觉
sleepiness causes many driving accidents.由于司机的困倦而导致的交通事故。
sleeping carriage with semicushioned berths硬卧客车
sleep initiation and maintenance disorders/nursing入睡和睡眠障碍/护理