作为副词来讲,deep和deeply都有“深深地,深切地”的意思。但deep常用来表示具体的深度,如:sink deep、dig deep、study deep into the night、study deep into the subject 等。
而deeply常用于引喻的场合,有时等于“非常地”的意思,如:I am deeply grateful to you. 我非常感激你。
The rough rock walls were like the sides of a deep canal
凸凹不平的石墙就像一条很深的运河的河岸。
There was a deep crack in the ceiling above him.
在他头顶的天花板上有一道很深的裂缝。
We were deeply moved by her plight.
她的困境深深地打动了我们。
He inhaled deeply on another cigarette.
他又点了一根烟深深地吸了一口。