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1·Tetracycline in their food probably explains the low incidence of typhus among ancient Nubians.

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。

2·Oral tetracycline usually controls the infection.

口服四环素通常可以控制这类感染。

3·It was sensitive to kanamycin, tetracycline and gentamicin.

对卡那霉素、四环素、庆大霉素等敏感。

4·The labels of tetracycline were made on the 23rd and 30th day.

在用药的第23日和30日进行四环素标记。

5·The strains are sensitive to tetracycline, doxycycline and ciprofloxacin.

该菌对四环素、强力霉素、环丙沙星敏感。

6·Objective To improve the TLC identification of Unguentum tetracycline.

目的对四环素软膏薄层色谱鉴别法进行改进。

7·Brilliant yellow calcium nodules appear by tetracycline fluorescence staining.

四环素荧光染色出现明亮黄色荧光钙结节。

8·Tetracycline antibiotic is widely used as the broad-spectrum antibiotics clinically.

四环素类抗生素是临床上广泛运用的广谱抗生素。

9·Treatment of the patient with fulvicin, tetracycline and niacinamide was good response.

可采用灰黄霉素、四环素和烟酰胺治疗。

10·Amoxicillin and tetracycline might be a good option as their resistance rates were very low.

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。

四环素

1·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.

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。

2·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.

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。

3·In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing green-a hallmark of the antibiotic tetracycline.

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。

4·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.

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。

5·For those who are allergic to penicillin, tetracycline, erythromycin and doxycycline could be used.

对青霉素过敏者可使用四环素、红霉素和强力霉素。