基本解释n.锡石同根派生 cassiterite相关词英汉例句用作名词 (n.)Cassiterite has been an important tin ore for eons and is still the greatest source of tin today.锡石作为一种重要的锡矿石已有数十亿年的历史，时至今日仍然是锡的重要来源。cassiterite更多例句