Since then it has evolved into a global crisis.

出自-2013年6月阅读原文

Salsa is a kind of dancing that evolved in the mid-1970s in New York.

2019年6月四级真题（第二套）听力 Section C

LOL has evolved into something much subtler and sophisticated and is used even when nothing is remotely amusing.

出自-2014年6月阅读原文

As a zoologist focusing on the studies of apes and monkeys, I've been studying why humans evolved to become the naked ape and why skin comes in so many different shades around the world.

2019年6月六级真题（第一套）听力 Section C

Flamingos have evolved very leathery skin on their legs so they can tolerate the salt water, says David Harper, a professor at the University of Leicester.

2017年12月六级真题（第三套）阅读 Section C

We can make a very good estimate from the fossil record that humans probably evolved naked skin around a million and a half years ago and meanwhile they mostly lost their coat of fur.

2019年6月六级真题（第一套）听力 Section C

Support is growing for a theory that sleep evolved so that connections between neurons in the brain can be weakened overnight, making room for fresh memories to form the next day.

2017年高考英语北京卷 阅读理解 七选五 原文

This method provided a readout for how home energy use has evolved since the early 1990s.

2018年高考英语全国卷I 阅读理解 阅读D 原文

It was only after "toddler" became a common shoppers' term that it evolved into a broadly accepted developmental stage.

2012年考研真题（英语二）阅读理解 Section Ⅱ

Jealousy and anger, for example, may have evolved to alert us to important inequalities.

2019年考研真题（英语二）阅读理解 Section Ⅱ

Thus, in his view, diverse aspects of culture, such as the structure of families, forms of marriage, categories of kinship, ownership of property, forms of government, technology, and systems of food production, all changed as societies evolved.

2009年考研真题（英语一）阅读理解 Section Ⅱ