eight hours' sleep 八小时睡眠
at least eight hours' sleep 至少八小时的睡眠
Evening eight hours sleep 一晚上八小时睡眠
eight hours of sleep 八小时睡眠 ; 睡八小时
Guaranteed eight hours of sleep 保证八个小时的睡眠
Eight hours a night sleep 一晚上八小时睡眠
Me sleep eight hours 我每天睡八小时
Sleep eight hours a night 一晚睡八小时 ; 睡眠八个小时每夜
a sleep of eight hours 八小时的睡眠
Sleep eight hours a day 每天睡八个小时
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