名词
中文翻译：Unknown
同义词：
['sleep', 'rest', 'slumber']
例句：
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1. The bird at roost is safe from predators.
那只鸟在巢中安全，免受捕食者的威胁。
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2. She went to bed early and slept soundly until morning.
她早早上床睡觉，直到天亮都睡得安稳。
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3. He retired from his job and settled into a peaceful life at roost.
他从工作中退休，过上了平静的生活。