Give me some cotton yarn.

给我些棉纱。

Our cotton yarn is of the best quality.

我们的棉纱质量最好。

It is a cotton yarn.

棉纱的混纺。

A Hank of cotton yarn measures 840 yards.

一汉克的棉纱长达840码。

So in short supply of cotton yarn, the higher price.

所以棉纱供不应求，收购价格较高。