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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常速英语2018--智能手机内置传感器:你不知道的健康大助手

Computer scientist Shwetak Patel and his team are developing new sensing systems. The initial focus was really around energy and water monitoring.They built a new generation of smart sensors that monitor electronic interference on a homes power line

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Oh oh oh Oh oh oh I can still se So clear to me A part of me died Would you do that if you could take back The tears that Ive cried When you said goodbye I had to ask why Was there something that I didnt say? Baby, can we start over? Im not ready to

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What Is Whipped Cream? It adorns ice cream sundaes, pumpkin pie, gingerbread, and hot chocolate. Its sweet creaminess tantalizes taste buds and sends dieters running from the scale. Did you ever wonder why heavy cream whips into soft, light peaks? Yo

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Epidermal growth factor - a cytokine that stimulates epithelial cell proliferation. Epinephrine - a neurotransmitter substance found at all adrenergic synapses (nor epinephrine or epinephrine). It is

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Inflammation - is a whole complex of events which occur in sequence, in response to injury. Tissue damaged by bacteria, chemicals, heat, trauma etc, release histamine and bradykinin and serotonin whic

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Basal lamina - a term used to describe the different layers which make up the basement membrane. These different layers of the basement membrane, the lamina lucida and lamina densa are only visible wi

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head 头 throat 喉咙，咽喉 armpit hair 腋毛 nipple 乳头 chest 胸部 pit 胸口 navel 肚脐 abdomen 腹部 private parts 阴部 thigh 大腿 neck 脖子 shoulder 肩 back 背 waist 腰 hip 臀

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By David McAlary Washington 20 June 2006 Older women at high risk for breast cancer may soon have a new treatment option. Researchers have discovered that an osteoporosis drug is effective against the disease. In fact, it is as good as the establish

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美国科学60秒 SSS 2013-08-05

It's similiar to a pregnancy test: a drop of liquid on a strip of paper causes an easily seen color change. But imagine that kind of simple, cheap technology employed in testing for pollution or health issues anywhere and on the cheap. Researchers at

Keep Fit During the Holidays

We all make resolutions every year to keep fit whether we have diabetes or not. The difference is that as people with diabetes, we need to keep fit, and we know that even if we don't do anything about it. One only has to read the medical abstracts an

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护士：早上好！ Nurse: Good morning. 病人：你好！ Patient: Good morning. 护士：请问哪里不舒服？ Nurse: What seems to be the problem? 病人：高烧，感觉糟透了。 Patient: Im running a high fever and feeling terribly bad. 护士：这种情况出现有多久了？ Nurse

英美人天天都在说的4000句 193:walls have ears

[00:01]J：We are a little in the dark here, but any ideas you may have... [00:04]E：Well, actually, yes, sir, I do. [00:06]And the one I want to try first is this. [00:10]He has not filed a return receipt. [00:12]J：What do you do at the Bureau, M

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Oh oh oh Oh oh oh I can still se So clear to me A part of me died Would you do that if you could take back The tears that Ive cried When you said goodbye I had to ask why Was there something that I didnt say? Baby, can we start over? Im not ready to

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影视金曲：《前往希腊剧院》 Furry Walls

Infant Sorrow - Furry Walls Yeeeaaaaahhhhh Yeeeaaaaahhhhh When the world slips you a Jeffery, Stroke the furry wall, Stroke the furry wall, Furry walls don't bring me down, Furry walls please stay around, Furry walls, Furry walls Furry walls kiss me

英语听力文摘 English Digest 277、孔隙

Sugar bowls and hole 孔隙是岩土固体矿物颗粒间的空间。岩土中直径大于1毫米、重力水可于其中自由运动的孔隙，是大孔隙（macro-pore，large pore）。岩土中直径为0.01～1毫米、重力水和毛管水可存其

英语听力文摘 English Digest 262、徘徊的小猫

On The Prowl 猫是一种地盘性的动物，它们喜欢在外面与别的猫划分领地。公猫比母猫尤为如此公猫的领地可能会是母猫领地的十倍。猫划份地盘是与其自然天性有关的。对于一只野猫来说，占领

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AMERICAN MOSAIC - Artists Paint the Town in Baltimore JUNE SIMMS: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) Im June Simms. This week on our program, we talk to Ben Nichols, lead singer and songwriter for the band Lucero. We also repo