单词：pathogenic entero becteria
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Sri Lankan President Mahinda Rajapaksa at his official residence in Colombo, Sri Lanka, 27 Jan 2010 (photograph released by the Sri Lankan President's office) Sri Lanka has declared President Mahinda Rajapaksa the victor over his former top general,
VOA标准英语2010年(一月)
Whats the lively in your kitchen? In terms of bacteria is it the the dish or maybe your coffee maker. Because even known caffeine has anti-bacteria effects, it turns out that machine can hold back majority of bacteria, including some pathogenic speci
2015年Scientific American(十二)月
What's the liveliest part of your kitchen, in terms of harboring bacteria? Is it the cutting board? The dish sponge? Or maybe your coffeemaker? Because even though caffeine has antibacterial effects, it turns out espresso machines can harbor a whole
2017年Scientific American(二)月
hemagglutinin 血凝素 Neuraminidase 神经氨酸酶 Nucleoprotein 核蛋白 Nonstructural Protein 非结构蛋白 Matrix Protein 基质蛋白 world organization for animal health (OIE) 国际兽医组
英文语法词汇
By Deborah Tate Washington 06 September 2007 U.S. Senator Hillary Clinton continues to lead the field of candidates seeking the Democratic Party's nomination for president. Stressing her background and experience, she is determined to become the firs
2007年VOA标准英语（九月）
THE MAKING OF A NATION - American History: George W. Bush Re-Elected STEVE EMBER: Welcome to THE MAKING OF A NATION American history in VOA Special English. Im Steve Ember. This week in our series, we look at the presidential election of two thousand
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