81. | Fresh air during sleep is indispensable to health. |
| 睡眠时呼吸新鲜空气对于健康是必不可少的。
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82. | The key to good health is to eat and sleep regularly. |
| 保持身体健康的秘诀是饮食和睡眠要有规律。
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83. | Sleep is necessary to health. |
| 睡眠岁健康是必要的。
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84. | His troubles deprived him of sleep . |
| 他的烦恼使他彻夜难眠。
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85. | He passed on in sleep . |
| 他在睡眠中死去。
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86. | We can sleep seven or eight people in the house at a push. |
| 在不得已时,这幛房子可以安排住七八个人。
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87. | A somnambulist can happily combine sleep and exercise. |
| 梦游者能把睡眠和运动巧妙地结合在一起。
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88. | I have to catch up on my sleep . |
| 我得弥补睡眠不足。
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89. | We have no consciousness during sleep . |
| 我们在睡眠时没有知觉。
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90. | He is dead with sleep . |
| 他睡得很熟。
|