ostensorium

例句：

1. 1. The archaeologists discovered a number of ancient ostensoriums during their excavation in the area.
   考古学家在该地区的挖掘中发现了多个古代遗迹。
2. 2. The study of ostensoriums is an important part of archaeology.
   研究遗迹是考古学的重要部分。
3. 3. The ostensoriums are believed to have been used for religious and ceremonial purposesby the ancient people.
   据信，这些遗迹被古代人民用于宗教和仪式目的。