Our species originated around 200,000 years ago and underwent tremendous diversification culturally, technologically, linguistically, artistically for 130,000 years.
2019年6月六级真题(第一套)听力 Section CThus, class may not be culturally and politically obvious, yet it remains an important part of British society.
2015年高考英语广东卷 阅读理解 阅读D 原文