例句 |
Fossil records indicate that Africa was the cradle of early human evolution.化石记载表明非洲是早期人类进化的摇篮。The tools might have been made by an as-yet-undiscovered early species of the genus Homo.这些工具可能是由现在尚未发现的早期人类制造的。Early human history is the story of migrations and counter-migrations back and forth across the globe.早期人类历史就是在全球范围内来回不断迁移的历史。He found two specimens of early humans.他发现了两例早期人类的标本。 |