单词：pterosaurs
(pterosaur 的复数) n. 翼手龙
plural of pterosaur
n. an extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb
n. an extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb
单词：pterosaurs 相关文章
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. A bird in flight is a thing of beauty. Even their takeoffs and landings usually look effortless. But pterodactyls? Well, thats another story. Scientists
发表于:2019-01-08 / 阅读(56) / 评论(0)
Scientific American(一)月
Scientific American(一)月
AS IT IS 2016-09-04 Small, Flying Dinosaur Was Size of a Cat 小型飞龙与猫同大 Researchers are excited about the discovery of what they think is a new species of flying dinosaur that was about the size of a cat. 研究人员最近有了惊喜的
发表于:2019-01-12 / 阅读(28) / 评论(0)
2016年VOA慢速英语(九)月
2016年VOA慢速英语(九)月