So if you were there 3.3 million years ago, to hear when this girl was crying out for her mother, she would have sounded more like a chimpanzee than a human.
なので 3.3百万年前に この子が母を呼ぶ声は なので 3.3百万年前に この子が母を呼ぶ声は ヒトよりもチンパンジーに近かったはずです