偶氮杂环丙烷是一类重要的 、 环内张力颇大的化合物.The diazirines are interesting , highly strained ring systems.当微量变形能使加载条件发生颇大改变时,就会产生颇大的差异.Appreciable differences may occur, however, when small deformations considerably alter the loading cond...
the advent of new technology新技术的出现Swallows come by groups at the advent of spring.春天来临时燕子成群飞来.The advent of the Euro will redefine Europe.欧元的出现将重新定义欧洲....
是的, 但首先把摩尔的那些档案立即拿来.Yes, but first of all, fetch me those Moore files right away.我经常跟达特摩尔的生意人打交道, 所以他们从不找我的麻烦.I always deal with Dartmoor's tradesmen, and consequently they never bother me.西摩尔的 “ 游戏 ” 给我们两个重要的启示.Sey...
They used to buy ten kilos of beef in one lump.他们过去常买10公斤重的整块牛肉。It weighs nearly 27 kilos (about 65 pounds).它重近27千克（约65磅）。The baby weighed three kilos at birth .婴儿出生时体重为三公斤。...
Mesenchyme -- embryonic c . t . with multipotential cells . The stellate cells are beginning to form fibers.间充质 --- 胚胎时期结缔组织,含有多种分化潜能的细胞这种星形细胞可合成纤维....