She wore a checkered jumper and had ribbons in her hair.她穿着格子连衣裙，头上系着丝带。The ground under the trees was checkered with sunlight and shade.林地光影交错.The painting's history has been checkered. There are nearly a hundred w...
迄今仍属未知种类的蛾a hitherto unknown species of moth他们在树上撒糖捕蛾.They sugared trees to catch moths.这种蛾的耳朵能收听到蝙蝠的超音速的尖叫声.This moth's ear is tuned in to the bat's ultrasonic squeak....
The marketplace was jammed with a noisy crowd of buyers and sellers.集市上熙熙攘攘挤满了买卖东西的人。Competition in the financial marketplace has eroded profits.金融市场的竞争降低了利润。products designed to meet the exacting standards of today'...
研究了桑枝硫酸盐法制浆适宜的工艺条件和单段、两段次氯酸盐漂白工艺条件.Optimum conditions of kraft pulping and single stage hypochlorite bleaching were investigated.水簇上次氯酸与盐酸反应的理论研究( 英文 )Theoretical Study of Reaction of HOCl and HCl on Water Clusters?次氯酸钙(...