单语范例（未经PONS编辑处理）
Around it lies a varied landscape of hollows, valleys and small ravines.
en.wikipedia.org The proctoscope also has a hollow channel through which other instruments may be inserted.
en.wikipedia.org During the study it was observed that the chimps searched for hollows where a bushbaby might reasonably be expected to sleep.
en.wikipedia.org On the basis it is often slightly thickened or pompous and becomes hollow inside.
en.wikipedia.org On either side of this hollow way can be made out closes but most have been damaged by later agricultural activities.
en.wikipedia.org