VOA慢速英语:The Ups and Downs of Coffee and Caffeine

短语讲解：

1. It turns out that interrupting your sleep is bad for your health on many levels, including the cellular level.

turn out 关掉; 结果是; 制造
例句：It turned out that he failed the examination.
原来他考试不及格。

2. They found that caffeinated drinks taken up to three hours before expected bedtime can delay normal sleep times by as much as 40 minutes.

as much as 差不多
例句：I knew as much as she did.
我知道的和她一样多.

3. "This particular finding tells us that the timing of sleep and wakefulness will be pushed later because of an effect on the (biological) clock, not just promoting wakefulness chemicals in the brain."

because of 因为；由于
例句：It is mainly because of my fault.
这主要是由于我的过错。

4. And this can play a role in many health problems – from obesity to diabetes to cancer.
 
play a role in 在……起作用
例句：“We want to play a role in the renaissance of Africa, ” he said.
他说；“我们希望在非洲复兴的大业中发挥作用。”

5. Another example of an implication of our findings is we may be able to use caffeine to help shift our clocks westward when we're traveling across many time zones.

be able to 能够; 能，会
例句：You think he'll be able to help?
你觉得他能帮上忙吗?