Currently,reliable scientific evidence dates the earliest creation of art on rock surfaces in Australia to somewhere between 30,000 and 50,000 years ago.
目前为止,可靠的科学依据把最早在澳大利亚的岩石表面的创造追溯到3万至5万年前.
解析：currently 是时间状语,主语 reliable scientific evidence,谓语dates the earliest creation of art on rock surfaces in Australia to,宾语 somewhere between 30,000 and 50,000 years ago.
date .to 把.追溯于.
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