Cover the hole with the plastic sheet.

用塑料薄片把洞盖上。

Next, cover the hole with the plastic sheet, and secure the edges of the plastic with dirt.

接下来，用塑料板盖住洞口，并用泥土固定塑料板边缘。

Next, you can cover the hole with the plastic sheet, securing the edges of the plastic with dirt.

接下来，用塑料薄膜封住洞口，并用泥土固定住塑料膜边缘。

Lunch was spread out on a long plastic sheet.

午饭就摊在一个长塑料单上。