当人们一迈入老境,其外貌与体力都有明显的变化。在一般情况下,往往根据外貌的变化即可推断一个人的大概年龄,但有时也并不尽然,单靠外貌来推测可能使人误解。如所周知,头发开始苍白或皮肤开始出现皱纹的年龄,个体间的差异颇为悬殊。同时,各种衰老变化可能是不同步的。如一个人的头发已经苍白了,但是他的听力和视力可能如同年轻人一样;相反,一个老年人可能没有一点白 When people enter the old age, their appearance and physical strength have obvious changes. In general, the approximate age of a person can often be inferred from changes in appearance, but sometimes not always. It can be misleading to speculate on the basis of appearance alone. As we all know, the hair began to pale or skin wrinkles age, the difference between individuals is quite different. At the same time, various aging changes may not be synchronized. If a person’s hair is pale, but his hearing and vision may be the same as young people; on the contrary, an elderly may not be a bit white