beaker

简明释义

英[ˈbiːkə(r)]美[ˈbiːkər]

n. 烧杯；大口杯

复 数 b e a k e r s

英英释义

单词用法

同义词

反义词

例句

1.She drank from a plastic beaker.

她用一只大塑料杯喝水。

2.O for a beaker full of the warm South! 15.

哦，来一杯满溢着南方的温暖。

3.O for a beaker full of the warm south.

要是有一杯南国的温暖。

4.Several of these have been identified as coming from what archaeologists call “the Beaker Culture.”

其中几件物品已经被确认为是考古学家称作的“烧杯文化”。

5.When he added some alcohol into the beaker the worms doubled-up and died.

当他把一些酒精加进烧杯时，蠕虫弯曲身体并死去。

6.The total weight of a dry glass beaker and a magnetic stirrer was determined before the reagents were mixed.

反应物在混合之前应先确定干燥的玻璃烧杯和磁力搅棒的总重量。

7.Let's meet somewhere... you bring your beaker and I'll bring my stirring rod.

我们在哪里见个面吧……你带着你的烧杯，我带着我的搅拌棒。

8.She carefully measured the liquid using a graduated beaker.

她小心翼翼地用一个刻度烧杯测量液体。

9.The chemist poured the solution into a clean beaker.

化学家把溶液倒入一个干净的烧杯。

10.The experiment requires heating the contents of the beaker over a flame.

实验需要将烧杯内的内容物加热到火焰上。

11.He accidentally knocked over the beaker, spilling the chemicals.

他不小心碰倒了烧杯，洒出了化学品。

12.We need a larger beaker to mix all the ingredients.

我们需要一个更大的烧杯来混合所有成分。

作文

In the world of science, various tools and instruments are essential for conducting experiments and understanding complex concepts. One such tool that plays a significant role in laboratories is the beaker. A beaker is a simple yet versatile container used primarily for mixing, heating, and holding liquids. Its cylindrical shape and spout make it easy to pour liquids without spilling, which is crucial when dealing with potentially hazardous materials. The design of a beaker allows scientists and students alike to observe chemical reactions and measure liquid volumes accurately.The beaker comes in various sizes, typically ranging from 50 milliliters to several liters. This variety makes it suitable for different types of experiments, whether they require small or large quantities of liquid. In most cases, beakers are made of glass or plastic, with glass being preferred for high-temperature applications due to its ability to withstand heat without deforming. Plastic beakers, on the other hand, are often used for lower temperature experiments and are less likely to break, making them safer for classroom use.One of the primary functions of a beaker is to serve as a mixing vessel. When conducting experiments, scientists often need to combine different substances to observe reactions. The wide mouth of the beaker allows for easy addition of solids or liquids, and the transparent material enables clear visibility of the contents. This feature is particularly important in educational settings where students learn about chemical reactions firsthand.In addition to mixing, beakers are also commonly used for heating liquids. Many experiments require a specific temperature to achieve a desired reaction. By placing a beaker on a hot plate or using a Bunsen burner, scientists can carefully control the temperature of the liquid inside. However, it is essential to monitor the heating process closely to avoid boiling over or splattering, which can lead to accidents.Another vital aspect of beakers is their measurement capabilities. Most beakers come with graduated markings along the side, allowing users to measure liquid volumes accurately. This feature is essential in scientific experiments where precise measurements can significantly impact the outcome. Students learning to conduct experiments must understand how to read these measurements correctly to ensure their results are valid.In summary, the beaker is an indispensable tool in the field of science, providing versatility in mixing, heating, and measuring liquids. Its straightforward design makes it accessible for students and professionals alike, fostering a better understanding of scientific principles. Whether in a school laboratory or a research facility, the beaker remains a fundamental instrument that facilitates experimentation and discovery. As students learn about the various applications of a beaker, they gain valuable hands-on experience that enhances their comprehension of chemistry and physics, preparing them for future scientific endeavors.

在科学的世界里，各种工具和仪器对于进行实验和理解复杂概念至关重要。其中一个在实验室中发挥重要作用的工具就是烧杯。烧杯是一种简单而多功能的容器，主要用于混合、加热和盛放液体。其圆柱形状和喷嘴使得在处理潜在危险材料时，能够轻松倒出液体而不洒漏，这一点至关重要。烧杯的设计使科学家和学生能够观察化学反应，并准确测量液体体积。烧杯有多种尺寸，通常从50毫升到几升不等。这种多样性使其适用于不同类型的实验，无论是需要小量还是大量液体。在大多数情况下，烧杯由玻璃或塑料制成，玻璃因其能够承受高温而被优先选择。塑料烧杯则通常用于较低温度的实验，不易破裂，更适合课堂使用。烧杯的主要功能之一是作为混合容器。在进行实验时，科学家常常需要将不同的物质结合在一起以观察反应。烧杯的宽口允许轻松添加固体或液体，而透明的材质使内容物清晰可见。这一特性在教育环境中尤为重要，学生可以亲身体验化学反应。除了混合，烧杯还常用于加热液体。许多实验需要特定的温度以实现所需的反应。通过将烧杯放置在热板上或使用本生灯，科学家可以仔细控制液体的温度。然而，必须密切监控加热过程，以避免溢出或飞溅，这可能导致事故。烧杯的另一个重要方面是其测量能力。大多数烧杯侧面都有刻度标记，允许用户准确测量液体体积。这一特性在科学实验中至关重要，因为精确的测量可能会显著影响结果。学习进行实验的学生必须理解如何正确读取这些测量值，以确保他们的结果有效。总之，烧杯是科学领域中不可或缺的工具，在混合、加热和测量液体方面提供了多种功能。其简单的设计使学生和专业人士都能轻松使用，从而促进对科学原理的更好理解。无论是在学校实验室还是研究设施中，烧杯始终是促进实验和发现的基本工具。当学生了解烧杯的各种应用时，他们获得了宝贵的实践经验，增强了对化学和物理的理解，为未来的科学事业做好准备。