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...
两匹马都牵出来装上了马具,可以骑了.Both the horses were out, tacked up and ready to ride.兽医临时凑成了一副马具。The vet had improvised a harness.他花十美元买了这件马具.He paid ten dollars for the new harness....
Local conditions, especially the presence or absence of oxygen, affect Biodegradability.地方的情况(特别是有氧或无氧)影响着生物降解.Starch has abundant resources , low price and natural biodegradability.淀粉产量丰富, 价格低廉,具有天然的生物降解性.Biodegradabili...
I looked at the list and felt my resolve weakening...我看着名单，觉得自己的决心正在动摇。The budget crisis also spotlighted a weakening American economy.预算危机也突显了正在衰退的美国经济。There was a weakening of the intermolecular bonds, primarily in the...
Alistair had carefully folded up the paper and stowed it away under the sacks.阿利斯泰尔已小心翼翼地将那张报纸折起，放在厚纸袋下面。Warehouses at the frontier between the two countries fill up with sacks of rice and flour.两国边境地区的仓库里堆满了一袋袋的大米和面粉。BY...