幼犬在火炉前打滚.The puppies were rolling in front of the fire.虽然DJ还只是一只幼犬, 但它清楚地显示出了边境牧羊犬的典型斑纹.DJ is only a pup, but he clearly shows the classical markings.经销商:他们从商业犬舍购买幼犬,做转手的零售生意.One who buys puppies from commercial kennels ...
如果潮湿发霉的建筑令你生病了，霉菌很可能是病因。If damp, musty buildings make you ill, mould is probably the cause.瓶盖上有一层薄薄的霉菌.There is a film of mould over the bottle cap.他把霉菌从奶酪上切掉。He cut the mould off a piece of cheese....
石墨甚至其线性类似物, 聚 ( 名聚-苯撑 ) 都是极难溶解的.Graphite and even its linear counterpart, poly ( p - phenylene ) are too insoluble.正和它们的低分子量的类似物一样,微量的酸或碱常能促进聚合物的水解.Hydrolysis of polymers if often catalyzed by traces of acids or bases.石墨...