But, he said, researchers working on cloning have contacted him, wanting to get a hold of mammoth tissue so they could try to clone a mammoth.是什么意思_But, he said, researchers working on cloning have contacted him, wanting to get a hold of mammoth tissue so they could try to clone a mammoth.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句