含矿岩系为双峰岩石组合,具火山碎屑岩-矿体 - 喷气岩“三位一体”特征. The ore - a bimodal rock association and exhibit assembly characteristics of pyroclastic rock, orebody and exhalite.
The roses are thorny. Take care not to prick your hands.玫瑰有刺,小心扎手.The boys argued over the thorny points in the lesson.孩子们辩论功课中的难点.The dog hurt one of its pad when It'stepped upon a thorny path.这只狗在踏上一条有荆棘的小路时,伤了一只爪...