dropper

简明释义

英[ˈdrɒpə(r)]美[ˈdrɑːpər]

n. 滴管；使滴下的东西；点滴器

复 数 d r o p p e r s

英英释义

单词用法

同义词

反义词

例句

1.Prototypes are built up using RP technique to complete rapid verification and the modification of the dropper design.

应用快速成型制造技术进行样件的制备和功能试验，完成了滴管设计的快速验证和修改；

2.When a second, or third, fly is used, it is called a dropper fly.

当第二次或第三次，是用来飞，称为滴管飞。

3.These are the two methods used by most dropper programs presently.

这是近期大多数下载者程序使用的两种方法。

4.A young mouse lemur gets its daily sustenance from an eye - dropper.

一只年幼的倭狐猴从滴管里吸食它的食物。

5.We are also looking for glass dropper bottles in around 10 ml size with squeeze inserted dropper.

我们正在寻找10毫升大小，带有挤压式嵌入滴管的玻璃滴瓶。

6.You can try feeding him your expressed (pumped) milk from a cup or spoon or medicine dropper.

你可以试试用杯子或者勺子或者喂药器把吸出来的母乳喂给宝宝。

7.That's why this medicine dropper is specially designed to always deliver a correct dose.

这就是为什么这种药滴管是专门设计的始终提供一个正确的剂量。

8.The nevirapine is contained in a small dropper placed inside the pouch.

奈韦拉平就放置在胶囊袋内部的滴管内。

9.The doctor handed me a dropper to measure the exact dose of medicine.

医生递给我一个滴管来测量准确的药物剂量。

10.The artist used a dropper to create delicate patterns with ink.

艺术家使用滴管用墨水创造精致的图案。

11.For the experiment, we need a dropper to transfer the liquid from one container to another.

为了实验，我们需要一个滴管将液体从一个容器转移到另一个容器。

12.You can use a dropper to apply essential oils directly on your skin.

你可以使用滴管直接将精油涂抹在皮肤上。

13.She used a dropper to add a few drops of food coloring to the cake batter.

她使用一个滴管向蛋糕面糊中添加几滴食用色素。

作文

In the world of science and medicine, precision is crucial. One of the essential tools that aid in achieving this precision is the dropper. A dropper is a small device used to dispense liquid in controlled amounts. It typically consists of a glass or plastic tube with a rubber bulb at one end. When the bulb is squeezed, it creates a vacuum that draws liquid into the tube. Releasing the bulb allows the liquid to be dispensed drop by drop. This mechanism makes the dropper an invaluable tool in laboratories and medical settings alike.The importance of the dropper cannot be overstated, especially in the field of chemistry. Chemists often need to add reagents in precise quantities to ensure accurate reactions. For instance, when conducting titrations, a chemist uses a dropper to add a titrant to a solution slowly until a reaction endpoint is reached. This careful addition is crucial for determining the concentration of the unknown solution accurately.In the medical field, the dropper is equally important. It is commonly used to administer medications, especially in pediatric care where dosages must be precise. A nurse may use a dropper to give a child liquid medicine, ensuring that the correct amount is delivered without overwhelming the patient. Additionally, in the case of eye drops, a dropper is designed to provide a single drop of medication, which is essential for effective treatment without causing irritation.Beyond its practical applications, the dropper also serves as an educational tool. In science classes, students often use droppers to conduct experiments, learning about liquids, density, and chemical reactions. This hands-on experience helps to solidify theoretical knowledge and encourages a deeper understanding of scientific principles.Moreover, the dropper has found its way into everyday life outside of laboratories and hospitals. Many people keep a dropper at home for various purposes, such as dispensing essential oils or homemade remedies. The ability to control the amount of liquid being used makes it a popular choice for DIY enthusiasts and those interested in natural health solutions.However, it is essential to use a dropper correctly to avoid contamination or incorrect dosages. Cleanliness is paramount, especially in medical and laboratory settings. After each use, a dropper should be thoroughly cleaned and sterilized to prevent cross-contamination between different substances. This practice ensures that the integrity of each experiment or treatment is maintained.In conclusion, the dropper is a simple yet powerful tool that plays a vital role in various fields, from science to medicine and even everyday life. Its ability to dispense liquids accurately makes it indispensable for anyone who requires precision in their work. As we continue to explore the wonders of science and medicine, the dropper will undoubtedly remain a key instrument in our toolkit, symbolizing the importance of accuracy and attention to detail in all our endeavors.

在科学和医学的世界中，精确性至关重要。帮助实现这种精确性的基本工具之一就是滴管。滴管是一种用于以控制量分配液体的小设备。它通常由一根玻璃或塑料管和一端的橡胶球组成。当挤压橡胶球时，会产生一个真空，将液体吸入管中。释放橡胶球则允许液体以滴的形式分配。这种机制使得滴管成为实验室和医疗环境中不可或缺的工具。滴管的重要性不容小觑，尤其是在化学领域。化学家通常需要以精确的数量添加试剂，以确保反应的准确性。例如，在进行滴定时，化学家使用滴管缓慢地将滴定剂添加到溶液中，直到达到反应终点。这种细致的添加对于准确确定未知溶液的浓度至关重要。在医疗领域，滴管同样重要。它通常用于给药，特别是在儿科护理中，剂量必须精确。护士可能会使用滴管给孩子服用液体药物，确保正确的剂量被送达，而不会让患者感到不适。此外，在眼药水的情况下，滴管被设计为提供一滴药物，这对于有效治疗而不引起刺激是必不可少的。除了其实际应用之外，滴管还作为教育工具。科学课上，学生们常常使用滴管进行实验，学习关于液体、密度和化学反应的知识。这种实践经验有助于巩固理论知识，并鼓励对科学原理的更深入理解。此外，滴管也走进了实验室和医院以外的日常生活。许多人在家中保留滴管用于各种目的，例如分配精油或自制药物。能够控制所用液体的量使其成为DIY爱好者和关注自然健康解决方案的人的热门选择。然而，正确使用滴管以避免污染或错误剂量至关重要。在医疗和实验室环境中，清洁是首要任务。每次使用后，滴管都应彻底清洗和消毒，以防止不同物质之间的交叉污染。这种做法确保了每个实验或治疗的完整性得以保持。总之，滴管是一种简单而强大的工具，在科学、医学甚至日常生活的各个领域发挥着重要作用。它精确分配液体的能力使其成为任何需要精确工作的人不可或缺的工具。随着我们继续探索科学和医学的奇迹，滴管无疑将继续作为我们工具箱中的关键仪器，象征着在所有努力中精确性和关注细节的重要性。