标签：细菌 相关文章
Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u
新概念优美背诵短文50篇
antibiotic 抗生素 artery 动脉；干线，中枢 bacterium 细菌（bacteria） bruise 青肿；植物碰伤；削弱，损害；捣碎 capsule 简略的，小而结实的；摘要，胶囊，太空舱；压榨，节略，以瓶帽密封 chronic 长期的，慢性的，一贯的 chinical 临床的；冷静的，慎重的，极度
80天攻克雅思核心词汇
Asian Bacteria Threatens Florida Orange Trees 亚洲细菌威胁到佛罗里达橘子树 Florida's citrus fruit industry is facing a serious threat from a bacteria carried by an Asian insect. The widespread infestation again highlights the danger of
VOA标准英语2014年(八月)
Topic1-As the iPhone X hits the store shelves, we talk about what to do with used electronic gadgets The new iPhone models are hitting the store shelves, and fans have their wallets open. If you are a member of the legions of worshippers in the Apple
英语角-圆桌会议
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
Some methods of preserving food are easy to understand. 一些保存食物的方法很容易理解。 For example, it's easy to see that freezing your food, or packing it in salt, would make it inhospitable to the microbes which would otherwise cause
初学者听力文摘精选
Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are us
考研背诵50篇
1. Israel said it has called up another 16,000 reservists, allowing it potentially to widen its Gaza offensive against the territory Hamas rulers in 3 weeks old war. The move coincides with stalled diplomatic efforts to end the war which has claimed
美联社新闻一分钟2014(八)月
This is the VOA Special English Development Report. Buruli ulcer is a bacterial disease that eats away muscle tissue. People can become disabled. They may even need to have an arm or leg removed. Buruli ulcer disease can be easily treated with antib
VOA慢速英语2009年（四）月
Antibiotic Resistance Requires Fast Actions 抗生素耐药问题性亟待迅速行动 The World Health Organization issued a wake-up call April 30 when it reported that we have now entered a post-antibiotic period. What this means is that some commo
VOA标准英语2014年(五月)
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
This Thanksgiving, as you savor your turkey and stuffing, here's something else to give thanks for: the army of microbes that help you digest the feast. Because when you eat, you're feeding them tooand triggering an enormous bloom of gut bacteria. In
2017年Scientific American(三)月
Scoop That Poop Actually, dog poop turns out to have a pretty big environmental impact. If you think that two in five household s in the U.S. have at least one dog and that about forty percent of Americans dont clean up after their pooches, well, all
英语听力文摘 English Digest
Do hand sanitizer s work any better than soap and water? Yal: We re-enjoy our hero, the handsome Donne , in the kitchen where he's preparing baked Alaska for his lovely bride. Don: Yes, yes. The way to a woman's heart is through her stomach. Y: But w
英语听力文摘 English Digest
Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this
英语听力文摘 English Digest
Staying Healthy Takes Guts Full of Microbes亿万肠道细菌助健康 Everywhere you go, the trillions of microbes in your gut go too. And that's a comforting thought. Because according to a new study, a more diverse population of intestinal bacteri
VOA常速英语2013年(九月)
Bacteria Thrive on Ocean Plastic Debris 海洋中的塑料碎片上滋养大量细菌 Plastic pollution in the ocean is harboring colonies of bacteria that could be harmful, not only to marine animals, but also to humans. 海洋中的塑料污染滋生
VOA常速英语2013年(九月)
Europe has been in the grip of an outbreak of E.coli, which has so far infected 2,400 people and killed 24. Most cases have been caused by contaminated food produce, although E.coli can spread from person to person. Daniel Bahr, the German health min
英语听力精选进阶版
Everybody loves the swimming pool. But how clean is the water in the average backyard or public pool? If you trust chlorine to take care of germs, you're in for a surprise. Chlorine and other disinfectants do indeed help to clean the water, but some
英语听力文摘 English Digest
Swimming With Germs 到游泳馆游泳消暑逐渐成为市民推崇的运动之一。尽管游泳馆都要求游泳者必须办理健康证，但健康证多流于形式，无法起到防范的作用。目前，市内一些大的游泳馆的水质基本
英语听力文摘 English Digest