sleep 的意思
v. 睡觉; 入睡; 可供…睡觉; 可供…住宿;
n. 睡眠; 睡觉; 睡眠时间; 一觉; 眼屎
例句
1、How long can a human being go without sleep?
人不睡觉能活多久?
2,、He have to sleep by day and work by night.
他只好白天睡觉,晚上工作。
3、He'd been sleeping rough for a week, in ditches and haystacks.
他在沟里和草堆里露宿了一个星期。