例句 /

Such soils usually form in areas of heavy rainfall, which causes leaching of lime from the surface layers, or over acid substrata such as granite or sand.

Such soils usually form in areas of heavy rainfall, which causes leaching of lime from the surface layers, or over acid substrata such as granite or sand.

通常是由于大雨过滤掉了表层土壤的石灰或者是由于覆盖诸如花岗岩或者沙土这类的酸性下层土壤造成的。