swab

简明释义

英[swɒb]美[swɑːb]

n. （医用的）拭子，药棉签；（用拭子采集的）化验样本；（清洗伤口等用的）小块纱布；拖把；<古>无赖

v. （尤指用拖把）擦洗（地板）；（用拭子）拭抹（伤口）；用药签吸掉

复 数 s w a b s

第 三 人 称 单 数 s w a b s

现 在 分 词 s w a b b i n g

过 去 式 s w a b b e d

过 去 分 词 s w a b b e d

英英释义

单词用法

同义词

反义词

例句

1.But you can use a swab or cloth to clean the outer part of the ear.

但是你可以用棉签或者布把你耳朵外面的部分擦干净。

2.You should never put a cotton swab or other object into the ear canal.

你绝不能把棉签或者其他小体积东西塞入耳道内。

3.Swab neck skin with Betadine where thyroid area is.

在颈部甲状腺皮肤上用棉签涂抹碘伏。

4.Viral culture - this is a swab of the fluid within a blister.

病毒培养-这是通过拭子擦拭水泡表面取样的。

5.You should never put a cotton swab or other object into the ear canal.

你不应该放一根棉签或其他物体到耳道之中。

6.I think about this as I swab the kitchen floor with Woman's Hour in the background.

我在厨房擦地板的时候在想这件事，一边还在放“女性时间”的节目。

7.We've all heard the warning, yet many of us still reach for the cotton swab when we feel a little plugged up.

我们都听到过这样的警告，但我们中的许多人觉得耳朵眼有点堵的时候，仍然要用棉签去掏耳朵。耳科医生说千万不要这样做。

8.Before taking a sample, the doctor asked me to open my mouth and swab my throat.

在采样之前，医生让我张嘴并用swab擦拭喉咙。

9.He dipped the swab into the solution to collect the bacteria.

他将swab浸入溶液中以收集细菌。

10.The swab was sent to the lab for analysis.

该swab被送往实验室进行分析。

11.The nurse used a cotton swab to clean the wound.

护士用棉签swab清洁伤口。

12.The lab technician prepared a swab for the DNA test.

实验室技术员准备了一个用于DNA测试的swab。

作文

In the field of medicine, the term swab refers to a piece of absorbent material, such as cotton or gauze, used for cleaning or collecting samples from a surface or body. The use of a swab is crucial in various medical procedures, particularly in diagnosing infections or diseases. For instance, when a doctor suspects that a patient has strep throat, they will use a sterile swab to collect a sample from the back of the throat. This sample is then sent to a laboratory for analysis. The importance of using a swab in this context cannot be overstated, as it allows for accurate diagnostic results that can lead to appropriate treatment.Beyond its medical applications, the term swab also has significance in other fields. In laboratories, swabs are often used to collect samples for testing environmental contaminants or pathogens. For example, a researcher might use a swab to gather bacteria from a surface in a food processing plant to ensure that hygiene standards are being met. This demonstrates how swabs play a vital role in public health and safety.Moreover, the process of using a swab can vary depending on the intended purpose. In some cases, a swab may be used to apply a substance, like medication or antiseptic, to a wound. In this context, the swab serves a dual purpose: it cleans the area and delivers necessary treatment simultaneously. This versatility makes swabs an essential tool in both clinical and home care settings.However, the use of swabs is not without its challenges. For instance, if a swab is not used correctly or if proper hygiene practices are not followed, there is a risk of contamination. This could lead to inaccurate test results or even exacerbate an existing infection. Therefore, healthcare professionals must be trained in the correct techniques for using swabs to mitigate these risks.In the context of the COVID-19 pandemic, the term swab gained even more prominence. Testing for the virus often involves taking a nasopharyngeal swab, where a long, flexible swab is inserted into the nasal cavity to collect a sample. This method has been crucial for identifying and controlling outbreaks of the virus. As a result, the general public has become more familiar with the concept of swabs and their importance in disease detection.In conclusion, the word swab encompasses a variety of meanings and uses across different contexts. Whether in medical diagnostics, laboratory research, or everyday health care, swabs serve an essential function. Their ability to collect samples and facilitate treatments highlights their significance in maintaining health and safety. Understanding the role of swabs not only enhances our knowledge of medical practices but also underscores the importance of proper technique and hygiene in their use. As we continue to navigate health challenges, the humble swab remains a critical tool in our arsenal against disease.

在医学领域，术语swab指的是一种吸收材料，如棉花或纱布，用于清洁或从表面或身体采集样本。swab的使用在各种医疗程序中至关重要，特别是在诊断感染或疾病时。例如，当医生怀疑患者患有链球菌喉炎时，他们会使用无菌swab从喉咙后部采集样本。该样本随后被送往实验室进行分析。在这种情况下，使用swab的重要性不言而喻，因为它允许获得准确的诊断结果，从而导致适当的治疗。除了医学应用外，术语swab在其他领域也具有重要意义。在实验室中，swabs通常用于收集环境污染物或病原体的样本。例如，研究人员可能会使用swab从食品加工厂的表面收集细菌，以确保符合卫生标准。这表明swabs在公共健康和安全中的重要作用。此外，使用swab的过程可能会根据预期目的而有所不同。在某些情况下，swab可用于将药物或消毒剂涂抹到伤口上。在这种情况下，swab发挥了双重作用：它清洁了该区域并同时提供必要的治疗。这种多功能性使得swabs在临床和家庭护理环境中成为必不可少的工具。然而，使用swabs并非没有挑战。例如，如果swab未正确使用或未遵循适当的卫生实践，就存在污染的风险。这可能导致测试结果不准确，甚至加剧现有感染。因此，医疗专业人员必须接受正确使用swabs的技术培训，以降低这些风险。在COVID-19大流行的背景下，术语swab更是引起了更多的关注。病毒检测通常涉及取样鼻咽swab，其中一根长而柔韧的swab被插入鼻腔以收集样本。这种方法对识别和控制病毒的爆发至关重要。因此，公众对swabs及其在疾病检测中的重要性变得更加熟悉。总之，单词swab在不同背景下涵盖了多种含义和用途。无论是在医学诊断、实验室研究还是日常健康护理中，swabs都发挥着重要作用。它们收集样本和促进治疗的能力突显了它们在维护健康和安全方面的重要性。理解swabs的作用不仅增强了我们对医疗实践的认识，还强调了在使用它们时正确技术和卫生的重要性。随着我们继续应对健康挑战，普通的swab仍然是我们对抗疾病的重要工具。