非 表面活性剂 的添加剂称作助洗剂,长期以来用以改进表面活性剂的去污作用.Nonsurfactant additives known as " builders " have long been used to improve detergent action of surfactants.如同所有化学和物理的过程一样, 温度对去污作用有重要影响.As in all chemical and physical processes, te...
The flowers are bronzy in bud and bright yellow when open.这些花的花蕾是青铜色，开放后呈明黄色。Six months after Bud died, the house burned down.巴德死后6个月，这座房子被烧毁。Bud turned the truck around, and started back for Dalton Pond.巴德把卡车掉头，开始返回多尔顿池...
分发系统 ( RFDS ) RFDS是包括天线共享器 、 多路耦合器、洞合成仪和绝缘物.RF Distribution System ( RFDS ) The RFDS is consists of duplexers, receiver multicouplers, cavity combiners and isolators....
他住进雪松西奈医院去戒酒。He checked into Cedars Sinai Hospital to dry out.游艇是用雪松木条建造的。The yacht is built of cedar strip planking.风暴严重损害了古老的雪松.The old cedars were badly damaged in the storm....
I went away to the country to recuperate.我去了乡下休养。Stay in the hospital for a few more days to recuperate.再住院几天,好好地恢复.He went to the country to recuperate.他去乡下养病去了....
One young policeman stood guard outside the locked embassy gates.一位年轻的警察在大门紧闭的使馆外站岗。Light and water in embassy buildings were cut off.大使馆内的水电都被切断了。Police fired on them as they fled into the embassy compound.当他们逃进使馆大院时，警察...
Mercury, in association with The Independent, is sponsoring Britain's first major Pop Art exhibition for over 20 years.《信使报》正携手《独立报》一起为20多年来英国举办的首届大型通俗艺术展览提供赞助。Although tobacco ads are prohibited, companies get arou...