are web sites that search the web for occurrences of a specified word or phrasE.
- ASearch engines
- BWWW
- CInternet
- DJava
问题
are web sites that search the web for
参考解析：
解析：搜索引擎是一种网站，它能根据一个字或者短语来搜索网页
分类：其他
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