英語六級攻克閱讀關鍵句267. Their breakthrough, simply put, was that

267. Their breakthrough, simply put, was that when their search engine crawled the Web, it did more than just look for word matches; it also tallied（統(tǒng)計）and ranked a host of other critical factors like how websites link to one another.

譯文　他們的突破，簡單地說，就是當用他們的搜索引擎在網(wǎng)頁上搜索時，它并不單單是尋找匹配的詞條，也對其他許多重要因素，例如網(wǎng)站如何彼此鏈接等進行統(tǒng)計和排名。

點睛　本句的主干是Their breakthrough...was that...。simply put為插入語。其中，that when their search engine...為表語從句，該從句中又包含when引導的時間狀語從句，it did more than just...和it also tallied...則為該表語從句的并列主干。

simply put意為“簡單而言，簡而言之”，相當于simply speaking。如：

Simply speaking/Simply put, I hope you can take over this new project. 簡單而言，我希望你能接手這個新項目。

crawl在句中可理解為“進行搜索”，其本義為“爬，緩緩爬行”。如：

A group of prisoners crawled through a secret hole and escaped. 一群犯人匍匐通過一個秘洞之后逃走了。

a host of意為“許多，一大群”。如：

The county is faced with a host of compelling economic problems. 該國正面臨許多引人注目的經(jīng)濟問題。

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