当前素材是由九二图网为您提供的“Scientists looking at microscopes”作品,素材编号:20141130080302,尺寸为:5616×3744 像素,大小为:6.6MB,素材关键词要素为:Microscopes, scientists, biologists, scientific experiments, experiments, chemists, doctors,business person,Character Pictures,Stock Images,欢迎下载收藏!