单语范例（未经PONS编辑处理）
Meteorite hunters can only hope any chips off the old block that flew from the sky this week landed on terra firma.
www.thestar.com For other folks, we are custodian to terra firma for the benefit of people.
www.triplepundit.com It was possible to have traveled a much longer distance, without the operator touching terra firma, but for the operator's desire not to get too far above it.
en.wikipedia.org It was joy supreme to once more find myself safe on terra firma.
en.wikipedia.org The forests of terra firma are the most extensive, and may be further subdivided into closed canopy forests and open forests.
en.wikipedia.org