whitish soil造句

• A whitish soil contains little nutritional organic matter.
• The shallow lines were made well over a thousand years ago, hundreds of years before the Inca empire, by clearing the stony surface of the plains and exposing the whitish soil underneath.
• The shallow lines were made more than a thousand years ago _ hundreds of years before the Inca empire _ by clearing the stony surface of the plains and exposing the whitish soil underneath.
• Italian archaeologist Giuseppe Orefici, who has worked in Nazca for 17 years, calls the desert etchings the world's largest hieroglyphics, created 1, 000 to 2, 000 years ago when the Nazca and Paracas cultures cleared the stony surface and exposed the whitish soil underneath.