皂土是一种可膨胀的土层粘土矿物.Bentonite is an expandable three - layer clay mineral.该洗涤工序排出的废水,同其重量的0.15%的胶性皂土混合.The waste liquor from this scouring step agitated with 0.15 % of its weight of colloidal bentonite....
The fossils at Dinosaur Cove are embedded in hard sandstones.恐龙峡谷中的化石都嵌在坚硬的砂岩中。There is glass embedded in the cut.有一片玻璃扎在伤口里。an operation to remove glass that was embedded in his leg取出扎入他腿部玻璃的手术...