单词：bacterial cells
单词：bacterial cells 相关文章
This is the VOA Special English Agriculture Report. Cows, sheep, goats and other animals can get mastitis, an inflammation in the udder, the organ where milk is produced. Milk from an untreated cow is still relatively safe to drink. But the milk is
VOA慢速英语2008（十）月
Broadcast: April 30, 2003 By Nancy Steinbach This is the VOA Special English Health Report. American researchers say drinking tea may help strengthen the body's defense system against infection. Docto
VOA2003（上）-健康资讯
Mucus: Your Friend Against Bacteria 粘液助你对抗细菌 When you are sick with a cold or the flu, you may have a runny nose. Why is it called a runny nose? Because of the mucus flowing and dripping from your nose. Yucky! But, guess what? Mucus i
2016年VOA慢速英语(一)月
Every human body consists of about 10 quadrillion cells, but about 100 quadrillion bacterial cells. 每个人体大约由1亿亿个细胞组成，但它却是大约10亿亿个细菌细胞的寄主。 They are, in short, a big part of us. 总而言之，
万物简史
But then if you think about it, the squid has this terrible problem 但是如果你再深入地想一下，这乌贼会有一个可怕的问题， because it's got this dying, thick culture of bacteria and it can't sustain that. 因为在它的体内，
TED演讲教育篇
Bacteria are the oldest living organisms on the earth. 细菌是地球上最古老的生物。 They've been here for billions of years, and what they are are single-celled microscopic organisms. 它们已经存在数十亿年了，它们是单细胞微
TED演讲教育篇