For the better part of a century, most biologists have been reluctant to use those words, mindful of a principle of evolution that says ‘evolution cannot run backwards’.
mindful of...是什么结构?书上说这是独立主格结构,我不太明白......
For the better part of a century, most biologists have been reluctant to use those words, mindful of a principle of evolution that says ‘evolution cannot run backwards’.
mindful of...不是独立主格结构,它只是一个形容词短语,表示原因,相当于 being mindful of…。