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",having.," 在句子中做什么成分?

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/15 04:46:40
",having.," 在句子中做什么成分?
Neuroscientists,having amassed a wealth of knowledge over the past twenty years about the brain and its development from birth to adulthood,are now drawing solid conclusions about how the human brain grows and how babies acquire language.
Having 到adulthood 整个是分词做状语,表时间.