例句與造句

1. According to the electron probe analyses and other data , some conclusions have been reached as follows : the modes of occurrence of associated silver include minerals of stephanite , bromargyrite , ag - sb - tetrahedrite , electrum etc . , which occur as small grains among or between fe - mn minerals
   利用電子探針等測試方法對錳礦石中伴生銀的賦存狀態(tài)進(jìn)行研究，初步查明銀主要是以脆銀礦、溴角銀礦、銀銻黝銅礦、銀金礦等礦物形式存在，呈微小顆粒狀被包裹于鐵錳礦物內(nèi)或礦物間隙里。
2. It's difficult to find stephanite in a sentence. 用stephanite造句挺難的