When foods from different plant sources are eaten together, deficiency in one is compensated for by sufficiency in another.多种蔬果类食物一起吃的话，一种食物所缺乏的营养会由另一种富含该营养的食物予以补足。Our country has sufficiency of natural resources.我国有足够的自...
There's a sufficiency of drama in these lives to sustain your interest.这些人的生活充满了戏剧性，总能让你兴趣盎然。Our country has sufficiency of natural resources.我国有足够的自然资源.When foods from different plant sources are eaten together, de...
Ethylene and trans - dichloroethylene are both inactive in the infra - red in this region.乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.Plasma - polymerization of ethylene gives films of complex, uncertain structure.乙烯的等离子聚合得到复杂的, 无固定结构的薄膜.In...
她身穿黑色紧身裤和一件宽松的绿色针织套衫。She is wearing tight, black leggings and a baggy green jersey.一条女式紧身裤a pair of leggings你那条紧身裤真不雅观!Those tight trousers of yours aren't very decent!...
You don't have to go running upstairs every time she rings.用不着她一来电话你就往楼上跑。If the phone rings say you'll call back after dinner.如果有电话打来，就说你吃完饭再回电话。In graphite sheets, carbon atoms bond together in rings.石墨层中的碳原子...
Trial and error revealed that it was best to put in the amide before the epoxide.尝试和误差法表明,最好在环氧化之前引进酰胺基.The EBR vulcanizate of different epoxide number was prepared.选择了EBR加工 中适合的配合剂和综合性能较好的硫化配方,并制备了不同环氧值的EBR硫化胶.The locki...