“cotton gin”简单造句，cotton gin造句子

We had to convince gins to clean their cotton gins and then process our stuff.

The refined roller-type cotton gin is much more convenient to use.

Eli Whitney receives a patent for his cotton gin, an invention that revolutionizes America's cotton industry.

Was it how you invented the cotton gin?

Cotton demand soared, but the cotton gin also multiplied the demand for slave labor.

Dell first builds a mold, then fills it with cotton husks, a waste product left over from cotton gins.

Within his lifetime, Malthus was able to witness incredible surges in mankind's agricultural productivity, thanks to inventions like the steam engine and the cotton gin.