The Dow Jones Industrial Average closed down five points today end at session of 15,440.

今天，道琼斯工业平均指数下跌5点，报收15,440点。

On the close end, it takes light just over three minutes to cover the distance which isn't bad.

在近端，光只需要三分钟多一点就能传递完这段距离，这还不错。

To process this specialized diet, koalas have a close ended digest organ called a caecum, which helps digest the leaf fibers via fermentation.

为了处理这种特殊的食物，考拉有一个被称为盲肠的近端消化器官，能通过发酵来帮助它消化树叶纤维。

But because of the physics of standing waves, instruments that have pipes with one closed end won't create the even-numbered harmonics at all.

但是由于驻波的物理特性，具有一端封闭管道的乐器根本不会产生偶数谐波。

When we put the cotton balls in the glass tube and close off the ends, those gases continue to spread, but they have no where to go except farther into the tube.

当我们将棉球放入玻璃管中并封闭两端时，这些气体会继续扩散，但它们无处可去，只能深入管内。

The doors of the house, wide open from dawn until bedtime, were closed during siesta time under the pretext that the sun heated up the bedrooms and in the end they were closed for good.

房子的门从黎明一直开到睡觉，在午睡时间关闭， 借口是太阳晒热了卧室， 最后它们永远关闭了。