慢速英语:Dementia Cases May Triple by 2050 as World Ages

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1. affect vt. 影响
例句：The amount of rain affects the growth of crops.
雨量影响作物的生长。

2. dementia n. 痴呆
例句：Drinking heavily did not affect overall dementia. 
过度饮酒对各种痴呆症没有预防作用。 

3. executive adj. 执行的;实施的
例句：He is on the executive committee.
他是该执行委员会委员。

4. calculated adj. 预先计划的;计算而得的
例句： I have calculated that there are 10,080 minutes in a week. 
我计算出来一星期有10,080分钟。 

5. substance n. 物质
例句：Ice and snow are different forms of the same substance, water.
冰和雪都是水这一种物质的不同形式。

6. obviously adv. 明显地，显然地
例句：One of the beds had obviously been slept in.
其中一张床明显有人睡过。

7. treat vt. 对待;看待
例句：Do not treat this serious matter as a joke.
不要把这件严肃的事情当作笑料。

8. identify vt.确认;识别
例句：I cannot identify this signature.
我识别不出这是谁的签字。