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...
SCIENCE IN THE NEWS - Getting to the Root of Hair Loss SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. Im Shirley Griffith. JUNE SIMMS: And Im June Simms. Today we talk about hair. We will tell what hair is, how it grows, and s...
A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body. 人类的头发主要由一种叫角朊的蛋白质组成，并含有水分及在身体其他部分...
She said that the hair on his head was growing back a little. He was surprised to hear that. He had never heard of hair growing back. Cancer victims who get chemotherapy often lose their hair. It often grows back. But he hadn't had chemotherapy. He a...
I wonder how many times we have our hair cut in our life. Hundreds. It would also be interesting to know how many different hairstyles we have. I know the styles I had when I was younger would look silly today. I really like haircuts. Its interesting...
I never know what to do with my hair. Sometimes I want it long, sometimes I want to cut it all off. My hair is a little unmanageable. It never does what I want it to. Its very thick. When its long and I have lots of split ends so I have to go to the...
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今天我们要讲两个由hair这个词发展而来的习惯用语，大家一定早就知道hair是头发。我们要学的第一个习惯用语是: win by a hair。 Win意思是赢得。我们常说细如发丝。头发在日常所见各物中也许...
今天我们要讲的习惯用语都有这样一个词，hair。大家一定都熟悉hair这个词。它的意思是头发。男男女女每天都得在整理自己的头发上花一些心思和工夫，因为头发对人的仪表很重要，难怪从...
