单词：progressive pigmented dermatosis of schamberg
单词：progressive pigmented dermatosis of schamberg 相关文章
DAVID GREENE, HOST: Here's a trend. Far more Democrats are describing themselves as progressive these days than they did four years ago. There are strategic reasons candidates are embracing this label. But one major reason, as NPR's Asma Khalid repor
2018年NPR美国国家公共电台10月
Naked skin or effectively naded skin has been the primary interface between the human body and the environment for over 200,000 years. Penn State anthropologist Nina Jablonski on the evolution of human skin pigmentation at the annual meeting of the A
Scientific American(二)月
Editor's note: See An Introduction to Verb Tenses for the first story in this series. For VOA Learning English, this is Everyday Grammar. This is the last in our four-part series on verb tenses. Make sure you see our episodes on progressive and perfe
2017年VOA慢速英语(一)月
色素性皮肤病 雀斑 freckle 色素痣 pigmented nevus 咖啡斑 café-au-lait spots 黄褐斑 chloasma 白癜风 vitiligo Riehl黑变病 Riehl's melanosis 口周黑子-肠息肉综合征 pigment
医务英语
The Perfect Progressive Tenses Editor's note: See An Introduction to Verb Tenses for the first story in this series. For VOA Learning English, this is Everyday Grammar. This is the last in our four-part series on verb tenses. Make sure you see our ep
2016年VOA慢速英语(一)月
Are You Progressing with Progressive Tenses? Editors note: This is the second of a four-part series on verb tenses. Click here to see part one. For VOA Learning English, this is Everyday Grammar. Today we are going to look at the progressive verb ten
2016年VOA慢速英语(一)月