Study Confirms Unusual Fossils Came from an Animal Scientists say they have confirmed that strange-looking fossils from more than 500 million years ago are remains of an animal. 科学家们表示,他们已经证实来自5亿多年前的怪状化石是

发表于:2018-12-08 / 阅读(53) / 评论(0) 分类 2018年VOA慢速英语(十)月

a butterfly with glowing eyes Believe it or not, Monteiro and her team insert ed a new gene into the butterflys genetic sequenceone taken from a jellyfish . No, I know you're fooling. Actually I'm not. This gene codes for a green florescent protein t

发表于:2019-01-26 / 阅读(62) / 评论(0) 分类 英语听力文摘 English Digest

地点:海滩上 人物:乔伊,钱德勒,莫妮卡 事件:乔伊为自己挖了个洞,莫妮卡和钱德勒正在嘲笑他时,莫妮卡被水母蜇了一下。 Joey: Hey, you guys. Take a look at this! Check this baby out! Dug me a hole

发表于:2019-03-06 / 阅读(132) / 评论(0) 分类 英语PK台