class加ify即classify，中文意思为“分类”、“划分”、“将…分类”、“界定”。classify作为及物动词，后面可接介词as，固定搭配为classify sb/sth as sth，意为“将某物划分给某人”。
classify的基本含义及用法介绍
classify作为及物动词，意为分类;划分;将…分类;界定。例句有：
1、The books in the library are classified according to subject.
图书馆的书按学科分类。
2、Only eleven of these accidents were classified as major.
这些事故中只有十一例被判定为重大事故。
3、It is necessary initially to classify the headaches into certain types...
首先，必须将头痛分为几个类型。
4、One movie is classified as pure art, the other as entertainment.
一部电影被列为纯艺术片，另一部被列为娱乐片。
5、At least one British officer was feeding him with classified information.
至少有一个英国官员在向他提供机密情报。
6、It is necessary initially to classify the headaches into certain types
首先，必须将头痛分为几个类型。
7、The document was highly classified and circulated to a very limited group of people.
这份文件高度机密，只在很小范围内传阅。
8、His possession of classified documents in his home was, at the very least, a violation of Navy security regulations.
他把机密文件藏在家中，至少是违反了海军安全条例。
9、Men in the post office classify mail according to places it is to go.
邮局里的人员将信件按寄送地点分类。
10、Librarians spend a lot of time classifying books.
图书馆工作人员花许多时间将书分类。
