CNN news 2012-02-10 加文本

learn about获得, 学得
例句：I like reading historical stories because I can learn about the lives that people led long ago.
我喜欢看历史故事, 因为这样可以知道过去人们的生活。

2. A new online database allows users to track down information about their ancestors in this state, whether they were slaves, free blacks or slave owners, says Dr. Lauranett Lee.

track down追捕到, 追查出
例句：The criminal was tracked down and knocked off by the police.
那个罪犯被警察追到后逮捕起来了。

3. The Unknown No Longer project and workshops, made possible with $125,000 in grants from the energy company, Dominion, is aimed at helping people fill in the gaps in their own family history, and, in the process, the nations.

aim at (以…)瞄准; 针对, 以…为目标
例句：The visit was aimed at expanding the relations between the two countries.
访问的目的是扩展两国的关系。
fill in填平, 填满
例句：He helped us to fill in a big gap in our knowledge.
他帮我们填满知识上的空白。

4. Some 3,200 names of slaves, free blacks and slaveholders have been entered into the database so far, and the site is updated weekly.

enter into考虑, 研究; 包括
例句：Does that enter into the cost of the ticket?
票价中包括这项吗?

5. For so long people did not know who their ancestors were, did not know where to even go to look for it.

look for寻找
例句：She is looking for her lost child.
她正在寻找失去的孩子。

6. Well, finally today, we`re going to check out a fundraiser for a North Carolina children`s hospital.

check out检查, 核对, 核实
例句：They checked out all the goods in the store.
他们清点了仓库里的货物。

7. More than 7,000 people hit the streets to take part in this five-mile run.

take part in参加…, 参与…活动
例句：John takes part in many school activities.
约翰参加很多学校里的活动。

8. And just in case you need to carb up in the middle, you`re in luck, because this race requires you to down a dozen donuts as well.

in case免得, 以防
例句：Take warm clothes in case the weather is cold.
穿上暖和的衣服, 以防天冷。