常速英语:Silent Strokes Tied to Memory Loss Among Older Adults

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2. mute adj. 哑的, 不会说话的
例句：The boy is mute and deaf.
这男孩既聋又哑。

3. evident adj. 明显的, 明白的
例句：He signed his name with evident satisfaction.
他显然很满意地签了名。

4. comprehend vt.理解, 领会
例句：I did not comprehend his meaning.
我不理解他的意思。

5. recover vt. 恢复(适当的状态或位置)
例句：The skater stumbled but at once recovered himself.
滑冰的人绊了一下, 但立刻恢复了平衡。

6. undergo vt.经历, 承受
例句：This new plane is undergoing safety tests.
这架新型飞机正在接受安全试验。

7. procedure n. 程序;手续;步骤
例句：The chairman was quite familiar with the procedure for conducting a meeting.
主席对开会的程序很熟悉。

8. spot n.斑点, 污点；地点, 场所；少量
例句：You have a grease spot on your shirt.
你的衬衣上有块油斑。

9. decline n. 下降;减少
例句：There is a decline in real wages.
实际工资有所减少。

10. identify vt.认出, 识别
例句：She identified him as her attacker.
她认出他就是那个攻击她的人。