If they approved the constitution without slavery, then Kansas would be closed to new slaves.

VOA: special.2009.05.21

You have closed end funds, trade as a security listed on the stock exchange, but what they do is own other securities.

假如你持有封闭式基金，这种基金在证券交易所作为一种债券进行交易，但是实际上它们做的是持有其他债券。

耶鲁公开课 - 金融市场课程节选

When an action potential is initiated these ion channels go from their closed state to their open state, when they open sodium can now pass through.

当动作电位形成时,离子通道,从关闭状态转到打开状态,当通道打开时,钠离子就可以通过

耶鲁公开课 - 生物医学工程探索课程节选

The young men refused. They remained seated until the store closed.

VOA: special.2010.01.29

Now, remember we talked about these last time, voltage-gated channels are channels that would allow the passage of sodium, in this case, but they can exist in two states, a closed state and an open state.

还记得我们上节课讨论过的吧,电压门控通道是,一种可以容许钠离子通过的通道,在这一例子中 电压门控通道有两种状态,关闭状态和开放状态

耶鲁公开课 - 生物医学工程探索课程节选

"I have spoken already to customers here; they are planning shift to iPhones if BBM is closed."

VOA: standard.2010.08.02

"Now,we are always very curious about, 'What are they doing behind those closed doors,' you know,".

VOA: standard.2009.10.19

"Whatever deals that are being done, they are certainly being done behind closed doors,".

VOA: standard.2009.08.03

Teenage boys play basketball in the shadow of a high school, damaged and closed for now, as camp residents do what they can to get on with their lives.

VOA: standard.2010.02.02