On Valentine's Day, my senile dementia grandpa was lost.
情人节，老年痴呆的外公失踪。
Objective: to find the effective medicine for preventing senile dementia.
前言：目的：寻找有效的治疗老年性痴呆的药物。
Alzheimer's disease is the most common cause of senile dementia and memory loss.
阿耳茨海默氏病(早老性痴呆病)是主要的诱发老年痴呆症和记忆力丧失的病因。
Alzheimer's disease is the most common cause of senile dementia and memory loss.
阿耳茨海默氏病(早老性痴呆病)是主要的诱发老年痴呆症和记忆力丧失的病因。
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