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儿童与成人的根本区别在于他们处于不断生长发育的过程中。在生长过程的任何一个时期出现异常都会对身体产生影响。这种影响有时是暂时的,可以逆转,有时则是永久的。
The fundamental difference between children and adults is that they are in constant growth and development. Any abnormality in the growth process can have an impact on the body. This effect is sometimes temporary, reversible and sometimes permanent.