英语资讯
News

VOA慢速英语:世界上最古老的DNA发现于百万年前的猛犸象

Source: 恒星英语学习网    2021-02-23   English BBS   Favorite  
Words in This Story

species – n. a group of animals or plants that are similar

sequence – v. determine the order of chemical building blocks

degrade – v. damage the quality or condition of something

fossil – n. part of an animal or plant from thousands of year ago, preserved in rock


将本页收藏到:
上一篇:VOA慢速英语:科学家提出造成恐龙灭绝的新理论
下一篇:VOA慢速英语:客机引擎空中爆炸 波音建议777客机停飞

最新更新
论坛精彩内容
网站地图 - 学习交流 - 恒星英语论坛 - 关于我们 - 广告服务 - 帮助中心 - 联系我们
Copyright ©2006-2007 www.Hxen.com All Rights Reserved