As a neutral state, Kentucky could block northern troops from much of the South.

VOA: special.2009.08.20

If you can block one of those people from getting the vaccine, you also stop-- from getting the disease-- you also stop all the people they would have transmitted it too from getting a disease.

如果你可以防止一个人感染疫苗,你同样可以防止...,刚才应该是感染疾病...,你就同样可以防止所有,可能已经接触过病毒的人群患病

耶鲁公开课 - 生物医学工程探索课程节选

the first year I was here, I was living like a block away from school.

在这里的第一年我住在离学校一条街的地方。

快乐的校园生活 - SpeakingMax英语口语达人

We caught up with the truck about a block from the VOA studios.

VOA: special.2010.04.12

In the front is Harlon Block, a Marine from Yorktown,Texas.

VOA: special.2011.05.30

"They are on the run and trying to block the exodus of civilians from the area."

VOA: standard.2009.05.07

He adds many girls were threatened by the Taliban to block them from going to school.

VOA: standard.2009.09.25

The president says the detainee abuse photos he wants to block from release are "not particularly sensational" but would do no good if publicized.

VOA: standard.2009.05.13

But if a medication can block the capsaicin-like molecule from reaching the neuron, it could stop the brain from ever registering there was any pain to begin with.

VOA: standard.2010.05.04

In light of threats from the Israelis to block the flotilla of ships, Zehra Ozturk says she and her fellow pro-Palestinian activists from Turkey are not thinking about a blockade.

VOA: standard.2010.05.28

Democrats outnumber Republicans in the Senate, but do not possess a majority large enough to block Republicans from using a procedural motion known as a filibuster to prevent a vote from going forward.

VOA: standard.2009.05.31