complex minerals造句
例句與造句
- You may well ask how that is possible . tourmalines are mixed crystals of aluminium boron silicate with a complex and changing composition . it s a rather complex mineral group
是極為復雜的硼鋁硅酸鹽，其中可含一種或數(shù)種以下成分：鎂鈉鋰鐵鉀或其他金屬。 - It's difficult to find complex minerals in a sentence. 用complex minerals造句挺難的