I pored over the books with great enthusiasm, often crunching the numbers until 1:00 a.m.

我饶有兴趣地细读这些书，常常运算到凌晨1：00。

He pored over the problem until he solved it.

他深思熟虑这个问题，直至把它解决。

No later than that morning she had again pored over it.

就在早上不久，她还再一次为之沉思。

The duke of croydon pored over an opened esso road map .

克罗伊敦公爵仔细察看着一张摊开的埃索公路图。

She pored over the picture book in silence, enjoying the colours.

她静静地看着画册，欣赏着那些图画的色彩。