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以下分别是哪三位科学家

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/15 07:39:14
以下分别是哪三位科学家
Who was the painter that studied dead bodies to improve his painting of people?
who invented a lamp to keep miners safe underground?
who invented the earliest instrument to tell people where earthquakes happened?
达芬奇
爱迪生?
张衡