举例来说，XYZ家具周年庆打折活动，在北京北四环的大牌，播出京北分店的讯息；
For example, XYZ furniture store is having an anniversary sales promotion, on billboard located on Beijing North 4th Ring road, it can broadcast nearby branch store information;
它们的食物中含有四环素，这可能是古努比亚人斑疹伤寒发病率低的原因。
Tetracycline in their food probably explains the low incidence of typhus among ancient Nubians.
许多科学家和专家警告说，在动物饲料中滥用抗生素，如青霉素、四环素，会滋生流行病，而这种流行病是没有医药可以防御的。
Many scientists and experts warn that rampant use of antibiotics in animal feed, like penicillin and tetracycline, will breed an epidemic that medicine has no defense against.
因为四环素是由土壤中的一种细菌——链霉菌分泌而成。
Because tetracycline's secreted by a soil bacterium, Streptomyces.
不过洗牙次数再多也不能去除由于四环素或系统性疾病导致的牙齿深度着色，因为这些色素已进入你的牙齿内部，你需要采取更加积极地措施来对付它们。
No amount of cleaning will remove the severe staining left by tetracycline or systemic disease because these pigments lie inside the tooth; you'll have to take more aggressive measures against these.
虽然HAART降低活跃的复制很有效，二甲胺四环素是对抗病毒的另一重要手段。
While HAART is really effective in keeping down active replication, minocycline is another arm of defense against the virus.
最近，一名化学家提取了一个努比亚幼儿木乃伊的骨头，在深入底层的过程中，将它融化泡入了一种肮脏的氢氧化物——酸中，有助于提取其中的四环素。
To get to the bottom of this, a chemist recently took bone from the mummy of a Nubian child and dissolved it in hydrogen fluoride, a nasty acid that helps extract tetracycline.
口服四环素可以降低感染的风险。
1980年，一位科学家在紫外线显微镜下观察了骨头碎片，注意到骨头发出绿光——这是含有抗菌四环素的特征。
In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing green-a hallmark of the antibiotic tetracycline.
而骨骼提取物也符合四环素等化学特征——这一证据表明这种抗生素是在儿童成长过程中沉积于骨骼里的。
And this bone extract also matched the chemical signature of tetracycline — evidence that the antibiotic was built into the kid's bones as he grew.
在给予二甲胺四环素的猴子中，病毒装载进入脑脊液，病毒RNA在脑部以及中枢神经系统疾病的严重性降低。
In monkeys treated with minocycline, the virus load in the cerebrospinal fluid, the viral RNA in the brain and the severity of central nervous system disease were significantly decreased.
骨头中四环素的提取过程，也显出其化学特征——所有的证据都是建立在所提取的幼儿木乃伊的骨头的基础上。
And this bone extract also matched the chemical signature of tetracycline-evidence that the antibiotic was built into the kid's bones as he grew.
动物实验的成功促使研究小组进行试管研究，以确定二甲胺四环素疗法能否影响感染HIV的人类T细胞的潜伏病毒。
The success with the animal model prompted the team to study in test tubes whether minocycline treatment affected latency in human t cells infected with HIV.
克莱·门特斯表示，二甲胺四环素能够降低T细胞的激活和增殖能力，这是从HIV感染者变成艾滋病患者所要经历的两个重要步骤。
According to Clements, minocycline reduces the ability of t cells to activate and proliferate, both steps crucial to HIV production and progression toward full blown AIDS.
队伍使用分子标志物发现二甲胺四环素非常选择性的阻断T细胞激活的特定专门的信息传导途径。
The team used molecular markers to discover that minocycline very selectively interrupts certain specific signaling pathways critical for T cell activation.
HAART以病毒本身为靶子，与这种疗法使用的药物有所不同的是，二甲胺四环素采取的是导向目标追踪方式，调节免疫系统的主要行动者以及HIV感染目标T细胞。
Unlike the drugs used in HAART which target the virus, minocycline homes in on, and adjusts t cells, major immune system agents and targets of HIV infection.
1980年，一位科学家在紫外线显微镜下观察骨骼碎片时注意到这些骨骼发出了幽幽绿光——这种绿色荧光是骨骼含有四环系抗生素的一种标志。
In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing green — a hallmark of the antibiotic tetracycline.
治疗严重粉刺最常用的是四环素类抗生素。
Drugs from the tetracycline family are the most commonly prescribed antibiotics for the treatment of severe acne.
大量的抗生素，包括四环素和氯洁霉素，是通过进入细菌内部的核糖体而对细菌产生抑制作用。
Dozens of antibiotics - including tetracycline and clindamycin - work by gumming up the ribosomes inside bacteria.
但这些骨头的来历可不简单——它们来自于1600多年前埋葬在苏丹的努比亚木乃伊，而科学家们直至1948年才发现了四环素。
Except these bones were from a Nubian mummy buried 1,600 years ago in Sudan -- long before scientists discovered tetracycline, in 1948.
“二甲胺四环素降低了病毒脱离休眠状态的感染T细胞的能力，”Szeto解释说。
"Minocycline reduces the capability of the virus to emerge from resting infected t cells," Szeto explains.
就在四环路对面安徽大厦的旁边。
It's over there across the 4th Ring Road beside the Anhui Building.
有些药物会破坏豆浆里的营养成分，如四环素、红霉素等抗生素药物。
With Some drugs can destroy the soya-bean milk nutrients, such as tetracycline, erythromycin and other antibiotic drugs.
目的观察口服灭滴灵、四环素、维生素c治疗牙周病的临床效果。
Objective: To observe the clinical efficacy of treating periodontal disease by Oral Metronidazole, tetracycline and vitamin c.
阿莫西林和四环素可能是不错的选择，因为他们的耐药率都很低。
Amoxicillin and tetracycline might be a good option as their resistance rates were very low.
结论部分设计的苯并吡喃4酮衍生物具有比四环素更好的趋骨性。
Conclusion Some of the benzopyran-4-one derivatives synthesized have better bone affinities compared with tetracycline.
周二晚上，北京北四环附近的一个中石油加油站，楚袁熙告诉记者，他一周只开一次车，其他时间都是坐公交或地铁。
At a Sinopec gas station near the North Fourth Ring Road in Beijing on Tuesday evening, Chu Yuanxi said he only drives one day a week and normally takes buses or the subway.
周二晚上，北京北四环附近的一个中石油加油站，楚袁熙告诉记者，他一周只开一次车，其他时间都是坐公交或地铁。
At a Sinopec gas station near the North Fourth Ring Road in Beijing on Tuesday evening, Chu Yuanxi said he only drives one day a week and normally takes buses or the subway.
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