例句與造句

1. Pliny mentions the exploitation of lapis specularis, a variety of translucent gypsum much appreciated at the time for the manufacture of window glass and an important part of the Segbriga economy.
2. Another important mineral extracted in Hispania was " lapis specularis ", a type of translucent gypsum, much appreciated as a mineral for the making, as crystal, windows in Rome.
3. It's difficult to find lapis specularis in a sentence. 用lapis specularis造句挺難的