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- The passive sleep gives our body the rest that's needed and prepares us for active sleep, in which dreaming occurs. 消极的睡眠让我们的身体得到休息，是积极睡眠的需要和准备。积极睡眠中会做梦。
- Sleep, in the form of active sleep and passive sleep, serves the purpose of physical and emotional rest. 睡眠有积极和消极两种形式，其目的是使人在体力上和精神上都得到休息。
- Passive sleep is also known as slow-wave sleep because the brain wave move in a very slow and regular rhythm, during which the body is at rest, the heart beat slows down and the body progresses become very slow. 消极睡眠又叫作慢波睡眠，因为消极水时脑电波处于一种非常缓慢的、有节奏的波动状态，人体处于一种安宁的状态，心脏的跳动减缓，人体机能的运行变得非常缓慢。
- 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。
- 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。
- The mother rocked the baby to sleep in its cradle. 母亲摇动摇篮使婴儿入睡。
- He played a passive role in the marriage. 他在婚姻中扮演了一个被动的角色。
- A growing child needs plenty of sleep. 正发育的孩子必须睡眠充足。
- He had a passive expression on his face. 他脸上有一种漠然的表情。
- He keeps late hours and gets very little sleep. 他睡得很晚，而且只睡一点儿时间。
- We have to consider the question of where to sleep. 我们得考虑在何处安歇的问题。
- In spite of my efforts the boy remained passive. 尽管我努力，那男孩还是不起劲。
- The old cat quietly packed up in his sleep. 那只老猫在睡梦中静静地死去。
- The slaves gave passive obedience to their master. 奴隶们乖乖地服从他们的主人。
- Lack of sleep is detrimental to one's health. 缺乏睡眠有害健康。
- The mother lulled the baby to sleep. 母亲哄着孩子入睡了。
- She had just woken from a deep sleep. 她刚从熟睡中醒来。
- Passive character, attitude, quality, or behavior. 消极主义消极被动的性格、态度、品质或行为
- Nature seems to be wakened from a deep sleep. 大自然好像从沉睡中被唤醒。
