an absorbent aluminum silicate clay formed from volcanic ash
例句
用作名词(n.)
Huoxingbaitu, bentonite series products, gypsum.活性白土，膨润土系列产品，石膏。
Another type of clay is Bentonite clay.另一种类型是粘土膨润土。
Bentonite is an expandable three-layer clay mineral.皂土是一种可膨胀的土层粘土矿物。
Regioselectivities of alkylbenzenes nitration were investigated in the presence of acid-treated bentonite catalysts by using alkyl nitrates.研究了酸性皂土催化剂上硝酸烷基酯硝化芳烃烷基苯方法的区域选择性。
