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1·I think she's going senile.

我想她是衰老了。《牛津词典》

2·She is suffering from senile dementia.

她受老年痴呆症折磨。《柯林斯英汉双解大词典》

3·It tottered on the borders of senile decay.

它在衰老的边缘摇摇欲坠。

4·Nearly senile and desperate for any way to establish order in the fractious environment, Hindenburg fell prey to intriguers.

兴登堡已近乎衰老，迫切希望在这个动荡不安的环境中找到建立秩序的任何方法，因此沦为了奸臣们的猎物。

5·Senile old man with out any foresights.

这是没有远见的人啊。

6·All his movements were those of a senile man.

他的一切动作都和一个老人一样。

7·Not Alzheimer's, but what Daddy got. The senile dementia.

不是阿尔茨海默氏症，是爸爸得的那种，老年痴呆症。

8·Pure age, unconscious growth, We will have senile one day.

纯真的年代，不知不觉的生长， 我们都会有衰老的一天。

9·Objective To explore the clinical features of senile and non senile depression.

目的探讨老年期和非老年期抑郁症的临床特征。

10·They might be somewhere hiding and laughing at us for being so obsolete and senile.

他们也许躲在什么地方正在嘲笑我们的落伍和衰老。

(1)senile dementia[医]老年性痴呆

(1)senile plaque老年斑；老人斑