VOA慢速英语:New Body Clock Provides Clues to Aging

短语讲解：

1. There is good news for people who are searching for the fountain of youth!

be good for 值得，有效; 利于
例句：Mild depression may be good for work.
轻微的沮丧可能对工作有好处。

2. For example, the average human heart appeared to be 12 years younger than its chronological age.

for example 例如
例句：For example, consider incomplete contracts.
比如考虑一下不完整的合同。

3. This new epigenetic clock really frees us up from focusing on one tissue at a time because it really works in most tissues and organs and cell types.

at a time 依次， 逐一， 每次
例句：Take it a step and a day at a time.
一天一次，一步一个脚印地做起来。

4. The subjects took part in their assigned activity for 15 hours a week over three months.

take part in 参加…
例句：Take part in something you believe in.
参与到你所信仰的事情当中。

5. But, Ms. Park thinks being mentally active slows down the process.

slow down（使）慢下来; （使）生产缓慢
例句：It could slow down our recovery.
它会减缓我们复苏的速度。

6. Denise Park says the latest information shows that the improvements lasted for at least a year.

at least 至少
例句：At least august was quiet.
至少八月是安静的。

7. While he covers his own lamps with reddish filters, Mr. Mezzalira worries about nearby businesses lighting up the night skies.

light up 照亮; 点烟
例句：A smile can light up a single heart, or a whole room.
微笑可以照亮一颗孤独的心，或是一整个房间。