The latex concentration is raised by evaporation or centrifugation.通过挥发或离心作用提高胶乳的浓度.The results of the tests indicated that latex and polyurethane foam mattresses burned fastest.试验结果表明,天然乳胶和聚氨基甲酸乙酯泡沫床垫燃烧得最快.Leather and l...
那一大块肉把我撑得饱饱的.I'm fed up with that piece of junk.我们现在最好吃得饱饱的——前面的路还很长呢.We'd better stoke up now — we've got a long journey in front of us.母亲给她吃易饱的家常菜,她想减掉婴儿肥可是很难.It wasn't easy to lose puppy fat when M...