VOA慢速英语:Heart Calcium Build-Up Increases Risk of Early Death

短语讲解：

1. The researchers followed up on the group 12 years after the study began.

follow up 把…贯彻到底，对…采取进一步行动; 跟着
例句：We will continue to follow up and find the source of these goods and where they are coming from.
我们会继续跟进，发现这些商品的来源和他们来自哪里。

2. At that time, doctors noted a higher-than-normal death rate among those with the calcium deposits.

at that time 当时; 在那时
例句：I cannot describe the feeling of contentment that was with me at that time.
我无法描述当时我满足的感觉。

3. Carr said it is not necessary to perform a CT scan on everyone to be able to predict their risk of death from a heart attack.

be able to 能够; 能，会
例句：They may be able to help with childcare so that you can have a break
他们可以帮忙照料孩子，这样你就可以歇一歇了。

4. So does eating a lot of fruits and vegetables, and less red meat.

a lot of 诸多; 许多的
例句：I am spending a lot of money and time on this boat, but it is worth it
我在这艘船上花了很多金钱和时间，但都很值得。