VOA慢速英语:How Much Screen Time Is Too Much for Children?

短语讲解：

1. Children can spend hours a day looking at computer screens and other digital devices.

look at看, 注视(某人或某物)
例句：The pupils are all looking at the chart on the wall.
学生都瞧着墙上的挂图。

2. Some eye care professionals say all that screen time has led to an increase in what they call computer vision syndrome.

lead to导致, 引起
例句：An ordinary cold can soon lead to a fever.
一场普通的感冒很快便会引起高烧。

3. I see a lot more children who are coming into the office either because their parents have noticed that they have headaches or red or watery eyes or discomfort, or because their prescription, their near-sightedness, appears to be increasing at a fast rate and they're worried.

come into进入
例句：Would you come into the bar and have a drink with me?
你愿意进酒吧和我喝一杯吗?
appear to似乎，好像
She appeared not to have heard what he had said.
她似乎没有听见他的话。

4. Even if their eyes start to feel uncomfortable or they start to get a headache, they’re less likely to tell their parents, because they don’t want to have the game or the computer or whatever taken away.

even if即使, 纵然
例句：I wouldn't lose courage even if I should fail ten times.
即使要失败十次, 我也绝不灰心。
take away使停止; 转移
例句：This drug should help to take the pain away.
这药可以止痛。

5. And so that can result in the front part of the eye drying and not staying moist and protected like normal.

result in导致,结果是
例句：The flood resulted in a considerable reduction in production.
这次水灾造成相当大的减产。

6. Eye doctors offer suggestions like following what is known as the 20/20/20 rule.

be known as以…知名；被认为是
例句：Charlie Chaplin was known as a film actor.
查理．卓别林作为一个电影演员而闻名于世。

7. He also serves as a spokesman for the American Academy of Ophthalmology.

serve as充当, 担任
例句：The general had served as a soldier in the earlier war.
在早期的战争中, 这位将军曾当过士兵。

8. Spending too much time in one place, focusing on one thing, not looking away from their work, etc.

focus on集中于，致力于
例句：All eyes were focused on him when he came in.
他进来时大家都注视着他。