dementing
v. （尤指因为年龄而）精神衰退；失去理智
n. 痴呆症；患有痴呆症的人；疯子
n. （Dement）（美、乌、俄）德门特（人名）
例句
Dementing illnesses comprise Alzheimer's disease (AD), Pick's disease, Multi infarct dementia (MID) and other neurological disorders. These diseases have different clinical characters respectively.
痴呆类疾病可分为阿尔茨海默病(AD)、皮克病、多发性梗死性痴呆(MID)等类型，它们各具不同的临床特点。
