It's made of cotton.

它是棉的。

youdao

She took the plug of cotton wool from her ear.

她从耳朵中取出棉毛耳塞来。

《牛津词典》

The nurse used a wad of cotton wool to stop the bleeding.

护士用了一团脱脂棉止血。

《牛津词典》

Now,there came to my ears a low,dull,quick sound, such as a watch makes when inside a piece of cotton.

VOA: special.2009.05.16

How successful was the cotton boom, how important was the cotton boom, what is the relationship between the spread of slavery, the spread of cotton, and power?

棉花业的兴盛是如何的成功,如何的重要,奴隶制的传播,与棉花业的兴盛,以及权利的扩散之间有什么关系

耶鲁公开课 - 美国内战与重建课程节选

Already by 1825--that early the South was the world's largest supplier of cotton and fueling now this Industrial Revolution in textile production in Great Britain and other places.

截至1825年,南方是全世界,最大的棉花供应者并且促进着,在英国和其他国家的,纺织工业的发展

耶鲁公开课 - 美国内战与重建课程节选

As with virtually all other aspects of cotton farming, substantial assistance has been provided by the government.

NPR: Texas Cotton: 'Farmer Profits at Every Step'

It can take more than 25, 000 liters of water to produce a single kilogram of cotton.

FORBES: Every 30 Minutes an Indian Farmer Commits Suicide, Biotech Is Not To Blame

It's made from a blend of cotton and a new polymer made from corn.

FORBES: Chemical transformation