Based on what we know now,you cannot clone animals that have been extinct longer than 10,000 years.Based on...做什么成分?不是翻译,是想知道based on.这句做什么成分谢谢

问题描述:

Based on what we know now,you cannot clone animals that have been extinct longer than 10,000 years.
Based on...做什么成分?
不是翻译,是想知道based on.这句做什么成分谢谢

原因状语