起泡沫的
4.a substance that lessens the hardness of water giving it more efficient sudsing.
5.A historical region and former province of northeast France. It was incorporated into the French royal domain in1314. The sparkling wine champagne was first produced here c.1700.
7.To produce foam from the mouth, as from exertion or a pathological condition.
8.Sludge characterization is important for an efficient operation of the activated sludge process. Problems with sludge separation occcur frequently related to sludge bulking, foaming and dispersed growth.
10.My son and I had goose bumps as we ran along the foamy shoreline and watched the churning waves.
