计算机与电子行业属于蓬勃发展的产业，需要娴熟的技术人员。Computers and electronics are growth industries and need skilled technicians.导演在镜头运用上既富有美感又渲染了气氛，戏剧手法的运用也娴熟自如。The director employs sensuous, atmospheric camerawork and deft dramatic touches.这部...
Thirty - four years ago, her son wore the necklace for good health and safety during his babyhood.三十四年前, 她为了幼年儿子健康平安给他戴上了这条项链.The babyhood child grows the growth to be rapid, skeleton's growth needs many calcium.婴儿期...
Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.本文研究从荆芥穗中提取回收聚苯乙烯所需的柠檬烯,其方法是溶剂萃取....