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- Reprogramming your sleep rhythms for two days doesn't do much to help you erase sleep debt, and it throws off your sleep wake cycles just in time for a bad case of Sunday-night insomnia. 在这两天重新安排睡眠节奏对弥补缺觉无大好处,而且它会使你的作息不规律,造成周日晚上的失眠。
- The effect of a mutation in a key gene involved in the regulation of sleep and wake cycles in mammals works in the opposite way from what was previously thought. 调节哺乳动物睡眠和清醒周期的关键基因产生突变造成的后果与人们先前想象的截然相反。
- Don't wake him-let him sleep on. 别叫醒他－－－让他继续睡吧，
- It is hard to sleep without a cooler in this room. 没有空气调节器，在这间屋里很难入睡。
- The doctor gave him a sedative to help him sleep. 医生给了他镇静剂帮助他入睡。
- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- I worried half the night and have a fitful sleep. 我半个晚上都一直在担心，故而时醒时睡。
- I didn't wake up until I heard the alarm clock. 直到听到闹钟的铃声我才醒来。
- If I fall asleep at the wheel wake me up. 如果我开车时睡着了，就叫醒我。
- She began to drift between sleep and wakefulness. 她开始进入时睡时醒的状态。
- The mother rocked the baby to sleep in its cradle. 母亲摇动摇篮使婴儿入睡。
- There are times of sleep and times of wakefulness. 有睡眠的时代和失眠的时代。
- I wake up with a very thick head this morning. 我早晨醒来觉得头昏昏沉沉的。
- A growing child needs plenty of sleep. 正发育的孩子必须睡眠充足。
- It's easier to cycle with the wind behind you. 顺风骑车省力。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- She tread lightly so as not to wake the baby. 她步子很轻，以免惊醒孩子。
- He keeps late hours and gets very little sleep. 他睡得很晚，而且只睡一点儿时间。
- The merest noise is enough to wake him. 一丁点儿声音就足以把他吵醒。
- The seasons of the year make a cycle. 一年四季构成一个循环。
