47.Five fledgling sea eagles left their nests in western Scotland this summer, bringing to 34 the number of wild birds successfully raised since transplants from Norway began in 1975.
若认为bringing to 34.....是状语,修饰left;若认为bringing to 34.....是非限定性定语,是补充说明bringing逗号前的句子,这个句子是一个名词结构。