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Each of us harbors a unique collection of bacteria, on our outsides and our insides. Now, scientists are finding that the bacteria you get at birth may depend on how you got here. Because babies born vaginally have a different set of microbes than th
Scientific American(六)月
Baby's Bacteria Related to Birth Method 出生方式决定婴儿携带什么样的细菌 Each of us harbors a unique collection of bacteria, on our outsides and our insides. Now, scientists are finding that the bacteria you get at birth may depend on
初学者听力文摘精选
By David Byrd Washington 02 February 2006 Daron Rahlves He is a three-time medalist at the World Alpine Ski championships. He has beaten the vaunted Austrians on their own course at Kitzbuehel, but Ol
2006年VOA标准英语（二月）
全身症状 发热 fever 潮热 hot flushes 乏力 easy fatigability 怕冷 sensation of chill 神经质 hervousness 头晕 vertigo 头痛 headache 心慌 palpitation 恶心 nausea 呕吐 emesis；vomiting 腹泻 diarrhea 腰痛 lumbago 麦氏点 Mc
医学英语
患者：我这两天阴道出血并伴有下腹疼痛。 Patient: I have had some vaginal bleeding for 2 days, together with some pain in the lower abdomen. 护士：你月经流量怎么样？上次月经是什么时候？ Nurse: What was the amount of bleeding? When was your last period?
英文语法词汇
Vidushi Sinha | Washington 31 March 2010 Dr. Mutahar Fauzia (L) uses an ultrasound machine to check on the development of Laiqa Ahmed's unborn child Newly released data by the US Centers for Disease Control and Prevention (CDC) show an alarming incre
VOA标准英语2010年(四)月