33．It is a lifelong process，a process that starts long before the start of school and one that should be an integral part of one's entire life．

(并列同位语a process that…，and one that…)

教育是一个终生的过程，早在人们上学之前就开始了。它应成为人的一生中不可缺少的一部分。

分句1：It is a lifelong process， a process

分句2：that starts long before the start of school

分句3：and one that should be an integral part of one's entire life

分句1是整个长句子的形式主句

分句2是分句1的同位语从句，是对1的进一步解释说明

分句3是2的并列句，同为对1的解释说明

1和2、3嵌套

2和3并列