音标:[ˈfɔlɪkəlz] ;
n. 小囊, (头发的)毛囊( follicle的复数形式 )
n. any small spherical group of cells containing a cavity

This is SCIENCE IN THE NEWS in VOA Special English. Im Barbara Klein. And Im Steve Ember. Today we talk about hair. We will tell what hair is, how it grows, and some of the main reasons people lose it. Hair has always been an important sign of beauty

发表于:2018-12-04 / 阅读(268) / 评论(0) 分类 英语语言学习

Long ago, before BandAids, or even medicine of any kind, our ancestors evolved to heal cuts themselves. If you got sliced open, the body blocked it up, to prevent blood loss, water loss, infection. But as we gained that powerwe sacrificed something e

发表于:2018-12-24 / 阅读(253) / 评论(0) 分类 2017年Scientific American(一)月

Millions of Americans Suffer From Hair Loss This is Science in the News, in VOA Special English. Im Shirley Griffith. And Im June Simms. Today we talk about hair. We will tell what hair is, how it grows, and some of the main reasons people lose it. H

发表于:2019-01-12 / 阅读(274) / 评论(0) 分类 2013年VOA慢速英语(五)月

Exploring the Long and Short of Hair Loss BARBARA KLEIN: This is SCIENCE IN THE NEWS in VOA Special English. Im Barbara Klein. STEVE EMBER: And Im Steve Ember. Today we talk about hair. We will tell what hair is, how it grows, and some of the main re

发表于:2019-01-12 / 阅读(279) / 评论(0) 分类 2011年VOA慢速英语(四)月

SCOTT SIMON, HOST: Three-D printers are being used these days to make all kinds of things - jewelry, artwork, or even guns. Now, scientists have used a 3-D printer to create a functioning mouse ovary. Yes. NPR's Rob Stein explains. ROB STEIN, BYLINE:

发表于:2019-01-17 / 阅读(206) / 评论(0) 分类 2017年NPR美国国家公共电台5月

台湾籍旅美老师今天交给我们的句子是: Genetics isn't all that drives hair loss. Long periods of stress can release signals that shock follicles and force them into the resting phase prematurely. 掉发不完全是基因所导致。长期

发表于:2019-02-22 / 阅读(199) / 评论(0) 分类 留美老师带你每日说英文
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