“痴呆”这一统称里包括多种不同的疾病。Within the umbrella term "dementia" there are many different kinds of disease.在19世纪60年代早期，布莱顿患上了老年痴呆症。In the early 1960s, Blyton fell victim to Alzheimer's disease.那些患老年痴呆症的人到底出了什么问题？What exactly ...
Figure 4 - 2 shows a present - day laboratory version of the electroscope.图4 - 2就是目前实验室里的验电器样式.The leaves of the electroscope slowly diverge.验电器的叶片慢慢张开.Figure 4 - 2 a present - day laboratory version of the electroscope....
他们是我们不共戴天的仇敌.They are our mortal enemies.他受到仇敌卑鄙的诋毁.He was basely slandered by his enemies.现在普莱耶女士成了他不共戴天的仇敌反倒让人觉得不足为奇了。It somehow seems hardly surprising that Ms Player is now his sworn enemy....