单词：priesnitz
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Jacqueline is at the table as Mark slips behind the tent to change his clothes. Suddenly a dark shape appears from behind the brush, heading towards Jacqueline--a black bear. Just as Mark shouts a warning, Jac, bear, the attacker strikes. Blink of an
国家地理2007年
Tiny Needles Treat Eye Disease 能治愈眼疾的细针 Glaucoma is the second leading cause of blindness around the world. In the United States alone, more than two million people suffer from the disease. Glaucoma results from an over-production of
2014年VOA慢速英语(十二)月
Microneedles 微针疗法 Female: From flu vaccin es to tetanus booster s , injections are a must in modern medicine. But do they always have to make you say Ouch? Male: Eh,no? F: No,indeed.If new microneedle technology is successful, we may soon hav
英语听力文摘 English Digest
PBS高端访谈:墨西哥城正面临日益严峻的用水危机GWEN IFILL: Violent protests continued in Mexico today. Demonstrators clashed with police in Acapulco, as anger mounted over the disappearance of 43 students. Late last week, three men d
PBS访谈环境系列
As TV increasingly takes its lead from reality, the lines are becoming more blurred between fact and fiction. And this years Emmys reflected the popularity event in entertainment inspired by politics and real life events. Homeland, the American serie
英伦广角