Now heat the dye for about forty-five minutes or until the wool is the desired color.

VOA: special.2010.08.02

Their flocks have thick wool.

他们的羊皮毛厚实有料

耶鲁公开课 - 古希腊历史简介课程节选

It says the price index contained this amount of beef, this amount of sheep wool, this amount of sole leather, and this amount of corn; that was the first consumer price index ever used for financial contracts.

指数中包括这些数量的牛肉,这些数量的羊毛,这些数量的鞋底皮,这些数量的玉米,这是在金融合约里出现的,第一个消费者物价指数

耶鲁公开课 - 金融市场课程节选

Shearing is when a sheep gets a haircut so the fleece can be made into wool.

VOA: special.2009.07.21

They could better handle hot,dry climates because they do not have a lot of wool.

VOA: special.2009.08.03

"Having to shear the sheep for wool is actually very costly and labor intensive.

VOA: special.2009.08.03

In developed countries, microbiologists do these tests with blood from wool sheep or horses.

VOA: special.2009.08.03

Yarn can be made from natural materials such as cotton, linen,silk and wool.

VOA: special.2009.11.04

The wool must be clean. Leave it overnight in water and liquid soap.

VOA: special.2010.08.02

The vat method,for example, can be used to dye wool with onionskins.

VOA: special.2010.08.02

"It was a very able speech," said one man, a wool buyer.

VOA: special.2009.01.01

It produced the same results as tests using wool sheep and horses.

VOA: special.2009.08.03

As the soap dissolves, the wool slowly shrinks around the soap.

VOA: special.2011.03.09

So this week, we describe a natural way to dye wool.

VOA: special.2010.08.02

Keep in mind that wet wool looks darker than it is.

VOA: special.2010.08.02

Place the wool into the dye and heat the mixture.

VOA: special.2010.08.02

Once the dye cools, remove the wool and wash it.

VOA: special.2010.08.02

For this example, use one hundred grams of natural wool.

VOA: special.2010.08.02

These tapestries are made of the materials silk and wool.

VOA: special.2010.02.03

Next,add the wool and place the mixture over heat.

VOA: special.2010.08.02

After it cools, remove the wool and wash it.

VOA: special.2010.08.02

Also,hair sheep require less care than wool sheep.

VOA: special.2009.08.03

Now it is time to dye the wool.

VOA: special.2010.08.02

Now the wool is orange or yellow.

VOA: special.2010.08.02