alumstone

英 [æ'lʌmztəʊn] 美 [æ'lʌmztəʊn]

• n. 明矾石

例句

用作名词 (n.)

1. The tests of extraction aluminium from alumstone with alkali fusion method were carried out.
   对用碱熔法从明矾石中提取铝进行了实验。