beakers

简明释义

英[ˈbiːkəz]美[ˈbiːkərz]

n. 烧杯（beaker 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.Diagrarn 5 shows the volume of water in four beakers.

图5显示四个烧杯里的水的体积。

2.The beakers were tagged with a number.

烧杯都标有数字。

3.She whispered quietly. "We're replacing the beakers with normal science fair experiments."

她小声地说，“我们正在把那些烧杯换成普通的科学实验用品。”

4.Products include stainless steel cans sealed, stainless steel three-piece rice sieve, stainless steel kettle, cold water bottles, beakers and other stainless steel cutlery series!

产品系列有不锈钢密封罐，不锈钢米筛三件套，不锈钢水壶，冷水壶，口杯等不锈钢餐具系列！

5.Julia took a few last remaining beakers and spilled them all over the laboratory floor. She closed the door and ran to go get everyone out.

她把烧杯中剩余的蓝药水都泼在了实验室的地板上，然后关上门，带着大家逃出了实验室。

6.Sensors on the inner surface of the beakers act like electronic tongues and "taste" the dirt to detect salts that can dissolve in water.

烧杯内表面上的传感器象一条电子舌头，品尝土壤以探测其中的水溶性盐分。

7.The lab was equipped with various beakers made of glass and plastic.

实验室里配备了各种玻璃和塑料制成的量杯。

8.After mixing the chemicals in the beakers, we observed a color change.

在量杯中混合化学品后，我们观察到了颜色变化。

9.We used different sized beakers for our experiments to see how volume affects the reaction.

我们在实验中使用了不同大小的量杯，以观察体积如何影响反应。

10.The chemistry teacher instructed us to measure the liquid accurately using the beakers.

化学老师指示我们使用量杯准确测量液体。

11.Always handle beakers with care to avoid spills and accidents.

始终小心处理量杯，以避免溢出和事故。

作文

In the world of science, various tools and equipment play crucial roles in conducting experiments and making discoveries. One such essential tool is the beaker, which is widely used in laboratories around the globe. A beaker (烧杯) is a simple container made of glass or plastic, characterized by its cylindrical shape and spout for easy pouring. It is primarily used for mixing, stirring, and heating liquids, making it an indispensable item in chemistry, biology, and physics labs.The design of a beaker allows for a large volume of liquid to be contained, typically ranging from 50 milliliters to several liters. This versatility makes it suitable for various tasks, from measuring precise amounts of liquid to holding larger quantities during experiments. When I first encountered a beaker in my high school chemistry class, I was fascinated by its simplicity yet effectiveness. My teacher explained that while it may seem like just a cup, a beaker plays a significant role in ensuring accurate results in scientific experiments.One of the primary uses of a beaker is for mixing different substances. In chemistry, combining chemicals can lead to reactions that produce new compounds. For instance, when we mixed hydrochloric acid with sodium hydroxide in a beaker, we observed a neutralization reaction that resulted in the formation of water and salt. Watching this process unfold before my eyes was thrilling, and it highlighted the importance of using the right equipment, like a beaker, to conduct safe and effective experiments.Another important aspect of beakers is their ability to withstand heat. Many experiments require heating solutions to facilitate reactions. The materials used to make beakers are often designed to endure high temperatures without breaking or releasing harmful substances. During one experiment, we heated a solution in a glass beaker over a Bunsen burner. This experience taught me about the physical properties of materials and how they can affect the outcome of an experiment.Furthermore, beakers come in various sizes and designs, each serving a specific purpose. For example, graduated beakers have markings on the side to indicate volume, allowing for more precise measurements. This feature is particularly useful when conducting experiments that require exact quantities of liquids. On the other hand, plain beakers may be used for general mixing where precise measurements are not as critical. Understanding the different types of beakers and their functions has helped me appreciate the nuances of laboratory work.In conclusion, the beaker (烧杯) is a fundamental tool in scientific research and education. Its simple design and versatile applications make it an essential item in any laboratory setting. Through my experiences with beakers, I have gained valuable insights into the world of science, learning how to conduct experiments safely and effectively. Whether it’s mixing chemicals, heating solutions, or measuring liquids, the beaker plays a pivotal role in the pursuit of knowledge and discovery in the scientific field.

在科学的世界里，各种工具和设备在进行实验和发现中发挥着至关重要的作用。其中一种基本工具就是beaker，它在全球的实验室中被广泛使用。beaker（烧杯）是由玻璃或塑料制成的简单容器，具有圆柱形状和便于倒出的喷嘴。它主要用于混合、搅拌和加热液体，使其成为化学、生物和物理实验室中不可或缺的物品。beaker的设计可以容纳大量液体，通常范围从50毫升到几升不等。这种多功能性使其适合于各种任务，从测量精确的液体数量到在实验中容纳较大的液体。当我第一次在高中化学课上遇到beaker时，我对它的简单却有效的设计感到着迷。我的老师解释说，虽然它看起来只是一个杯子，但beaker在确保科学实验的准确结果中发挥着重要作用。beaker的主要用途之一是混合不同的物质。在化学中，结合化学品可能会导致产生新化合物的反应。例如，当我们在一个beaker中将盐酸与氢氧化钠混合时，我们观察到了中和反应，形成了水和盐。亲眼目睹这一过程让我感到兴奋，它突显了使用正确设备（如beaker）进行安全有效实验的重要性。beaker的另一个重要方面是它们能够承受热量。许多实验需要加热溶液以促进反应。制造beaker的材料通常设计为能够承受高温而不会破裂或释放有害物质。在一次实验中，我们在一个玻璃beaker中加热溶液，使用了本生灯。这次经历让我了解了材料的物理特性及其如何影响实验结果。此外，beaker有各种大小和设计，每种都具有特定的用途。例如，带刻度的beaker侧面有标记以指示体积，允许更精确的测量。这一特性在进行需要精确液体数量的实验时特别有用。另一方面，普通beaker可用于一般混合，在这些情况下，精确测量并不是那么关键。理解不同类型beaker及其功能帮助我更好地欣赏实验室工作的细微差别。总之，beaker（烧杯）是科学研究和教育中的基本工具。其简单的设计和多样的应用使其成为任何实验室环境中不可或缺的物品。通过与beaker的接触，我获得了关于科学世界的宝贵见解，学习如何安全有效地进行实验。无论是混合化学品、加热溶液还是测量液体，beaker在科学领域的知识和发现追求中发挥着重要作用。