crow bar=crowbar

简明释义

撬杆

英英释义

例句

1.The construction worker always carries a crow bar=crowbar in his toolbox.

这位建筑工人总是在工具箱里携带一根撬棍=crowbar。

2.She found a crow bar=crowbar in the garage while cleaning.

她在清理车库时发现了一根撬棍=crowbar。

3.He used a crow bar=crowbar to pry open the door.

他用一根撬棍=crowbar撬开了门。

4.The thief tried to break into the car using a crow bar=crowbar.

小偷试图用一根撬棍=crowbar撬开汽车。

5.To remove the old tiles, you need a crow bar=crowbar for leverage.

要拆除旧瓷砖，你需要一根撬棍=crowbar来提供杠杆作用。

作文

A crowbar, often referred to as a crow bar, is an essential tool in many construction and demolition projects. This simple yet effective tool has been used for centuries, providing leverage and strength when needed most. The design of the crow bar allows it to be used in various applications, from prying apart wooden beams to lifting heavy objects. Its versatility makes it a favorite among builders, carpenters, and DIY enthusiasts alike.The history of the crow bar dates back to ancient times. Early versions were made from wood or simple metal rods, but as technology advanced, the modern steel crow bar emerged. Today, it is typically made from high-carbon steel, which provides durability and strength. The tool usually features a curved end for prying and a flat end for striking, making it a dual-purpose instrument.One of the most common uses of the crow bar is in demolition work. When tearing down walls or removing old structures, the crow bar can easily pry apart materials that are otherwise difficult to separate. For instance, when removing nails from wooden planks, the curved end of the crow bar can be wedged under the nail head, allowing the user to pull it out with minimal effort. This function saves time and reduces the risk of damaging surrounding materials.In addition to demolition, the crow bar is also invaluable in construction. When laying foundations or framing houses, builders often need to move heavy objects into place. The crow bar serves as a lever, enabling individuals to lift and position these items safely. By applying force to one end of the crow bar, the other end can easily lift a substantial weight, showcasing the power of leverage.Furthermore, the crow bar is not just limited to construction and demolition; it can also be found in various settings such as automotive repair shops or even in home garages. Mechanics often use the crow bar to separate components that are tightly fitted together. The tool’s ability to provide leverage makes it a go-to option for tasks that require extra force.Safety is paramount when using a crow bar. Proper handling techniques should always be followed to prevent injuries. Users should ensure they have a firm grip on the tool, and it is advisable to wear safety goggles to protect against flying debris. Moreover, the crow bar should be used on stable surfaces to avoid accidents.In conclusion, the crow bar is more than just a simple tool; it embodies the principles of physics and engineering in its design and functionality. Whether you are a professional contractor or a weekend warrior tackling home improvement projects, understanding the capabilities of the crow bar is essential. Its ability to provide leverage and facilitate heavy lifting makes it an indispensable part of any toolkit. As we continue to innovate and improve our tools, the crow bar remains a testament to the effectiveness of simple design in achieving complex tasks.

撬杠，通常被称为crow bar，是在许多建筑和拆除项目中必不可少的工具。这种简单而有效的工具已经使用了几个世纪，在最需要的时候提供了杠杆和力量。crow bar的设计使其可以用于各种应用，从撬开木梁到提升重物。它的多功能性使其成为建筑工人、木匠和DIY爱好者的最爱。crow bar的历史可以追溯到古代。早期版本是用木头或简单的金属杆制成的，但随着技术的进步，现代钢制crow bar应运而生。今天，它通常由高碳钢制成，提供耐用性和强度。该工具通常具有一个弯曲的端部用于撬动，另一个平坦的端部用于敲击，使其成为双用途工具。crow bar最常见的用途之一是在拆除工作中。当拆除墙壁或移除旧结构时，crow bar可以轻松撬开否则难以分开的材料。例如，当从木板上移除钉子时，crow bar的弯曲端可以插入钉子头下方，使用户能够轻松拔出。这个功能节省了时间，并减少了损坏周围材料的风险。除了拆除，crow bar在建筑中也极为重要。当铺设基础或搭建房屋框架时，建筑工人往往需要将重物移动到位。crow bar作为杠杆，使个人能够安全地提升和定位这些物品。通过对crow bar一端施加力量，另一端可以轻松地提升相当大的重量，展示了杠杆的力量。此外，crow bar不仅限于建筑和拆除；它还可以在汽车修理店或家庭车库等各种场合找到。机械师经常使用crow bar分离紧密配合的组件。该工具提供杠杆作用的能力使其成为需要额外力量的任务的首选。使用crow bar时安全至关重要。始终应遵循正确的操作技巧以防止受伤。用户应确保牢牢握住工具，并建议佩戴安全护目镜以保护免受飞溅碎片的伤害。此外，crow bar应在稳定的表面上使用，以避免事故。总之，crow bar不仅仅是一个简单的工具；它在设计和功能上体现了物理学和工程学的原则。无论你是专业承包商还是周末勇士，了解crow bar的能力都是至关重要的。它提供杠杆和促进重物提升的能力使其成为任何工具箱中不可或缺的一部分。随着我们继续创新和改进我们的工具，crow bar仍然是简单设计在实现复杂任务中的有效性的证明。