1、old people
英[əuld ˈpi:pl] 美[old ˈpipəl]
老年人； 老；[医] 不精；
Old people awaken early in the morning.
老年人早晨醒得早。
Old people fear to leave their homes.
老年人都不愿背井离乡。
2、the aged
英[ðə ˈeɪdʒɪd] 美[ði ˈedʒɪd]
老年人；高年；老人；
China has entered an aging society in which the problem about the aged becomes a public concern.
中国已经进入了一个老龄化社会，老人问题逐渐成为社会关注的对象。
The aged onion seed was treated with three kinds of medicines.
本文研究了三种药剂对洋葱老化种子发芽率的影响。
3、elderly people
英[ˈeldəli ˈpi:pl] 美[ˈɛldəli ˈpipəl]
老年人；
Those most at most risk are elderly people, malnourished people or veryyoung children.
那些最大多数的风险是老人的人，营养不良的人或非常年幼的儿童。
These policies resulted in many elderly people suffering hardship.
这些政策使许多老人和残疾人在困苦中挣扎。
4、senior citizens
n. 老人；老年人( senior citizen的名词复数 )；
But these days, senior citizens are provoking as much angst as admiration.
但在这一天，老年人不仅仅得到了人们的敬爱，还引发了人们对他们深深的担忧。
A special news program exposed underhanded auto repair shops that are ripping off senior citizens.
一个特别新闻节目揭露了一家敲榨老年人的卑鄙的汽车维修店。
原型： senior citizen
5、old folks
n. 老年人，家中的长辈；老辈；
Osculation correlation factor was old folks and irritability corporeity and the sick has psychosis symptom.
密切相关因素为老年人和过敏性体质及有精神症状的病人。
Diabetes is a frequently encountered disease for old folks, dynamic, continuous and accurate detection of human blood glucose concentration is the key for prevention and treatment of the diabetes.
糖尿病是中老年人的常见病和多发病，人体血糖浓度的动态、连续、精确检测是糖尿病预防和控制的前提和基础。
轻清净静的美好
