[医] 利普许茨氏细胞, 中心细胞(见于红色苔癣)

pbs高端访谈:非法移民排队申请豁免,避免被驱逐出境

JUDY WOODRUFF:Next, the story of young undocumented immigrants anxious to stay in the United States. Yesterday was the first day they could apply for deportation waivers under changes announced by President Obama earlier this summer. Under the new pr

发表于:2018-12-31 / 阅读(54) / 评论(0)

PBS访谈社会系列

原版英语小短文 149. Cancer Cells or Fat Cells?

Norm woke up to go to the bathroom. He looked in the bathroom mirror. That bump used to be smaller. It was on the side of his nose. The bump looked puffy. He touched it. It wasn't hard. It didn't hurt. It wasn't a different color. Maybe it was just s

发表于:2019-01-02 / 阅读(56) / 评论(0)

原版英语小短文

英语短文：Cells and Temperature

英语短文：Cells and Temperature Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow ra

发表于:2019-01-08 / 阅读(52) / 评论(0)

英语小短文

Nasal Stem Cells Help to Cure Infant Hearing Loss

Australian researchers may have discovered a new way to treat hearing loss in infants. And the secret lies in the NOSE. Our reporter Li Dong has the details. Noses comes in all shapes and sizes, and Australian scientists are now trumpeting a new use

发表于:2019-01-19 / 阅读(65) / 评论(0)

世界各地新闻集锦

芝加哥暴力事件频频发生美政府加紧枪支管理

GWEN IFILL: Chicago is once again in the national spotlight for a level of gun-related violence that has pushed its homicide rate beyond New York and Los Angeles. The city has made some progress in cutting down the number of murders, but dozens of sh

发表于:2019-01-27 / 阅读(30) / 评论(0)

PBS访谈社会系列

Stem Cells in Fat

> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(79) / 评论(0)

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学英语单词

a dog in the manger

acetable

adjustable swivel chair

air boundary layer

ambury

Ansarian

arterivirus equine arteritis virius