VOA慢速英语:Too Much Internet May Be Bad for Teenagers

短语讲解：

1. We use the Internet to connect with family and friends and stay in touch with issues we care about.

care about 关心; 在乎; 关怀
例句：A selfish person does not care about other people's problem.
自私的人是不关心别人的困难的。

2. As far as the Internet being a part of our lives – well, that train has left the station.

as far as 只要; 远到…; 据…; 直到…为止
例句：As far as I know, he has gone to town.
就我所知，他到镇子上去了。

3. But can using the Internet too much be bad for our health?

be bad for 有害于
例句：This rich food is bad for your digestion.
这种油腻食物不利于你的消化。

4. The study results show that teens who spend at least 14 hours a week online were more likely to have high blood pressure.

at least 至少
例句：In fact it requires at least n generators.
事实上，它至少要有n个元素。