慢速英语:Sleep Expert Tells Students All-Night Study Hurts Performance

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短语讲解：

1.Sleep expert David Earnest often tells college students that a good night’s sleep is important for academic success.

be important for 某事对某人的重要性，强调做某事对某人的重要性
例句：Good posture is important for health.
好的姿势对健康是重要的。

2.Students at America’s military academies, West Point, the Naval Academy and Coast Guard Academy, all require students to get up before 7 a.m.

get up 站起来; （使） 起床; 安排; 举起;
例句：I got up and walked over to where he was.
我起身走到他那边。

3.The report said a lack of sleep can result in lower grade point averages.

a lack of 缺乏，缺少
例句：Hard work can often make up for a lack of intelligence.
勤奋工作往往可以弥补智力的不足。