“cotton gin”造句，怎麼用cotton gin造句

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.

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

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

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

Was it how you invented the cotton gin?

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

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