delessite造句

例句与造句

1. The first deposit on the wall of a cavity, forming the " skin " of the agate, is generally a dark greenish mineral substance, like celadonite, delessite or " green earth ", which are rich in iron probably derived from the decomposition of the augite in the enclosing volcanic rock.
2. It's difficult to find delessite in a sentence. 用delessite造句挺难的