propelling pencil
简明释义
推进式铅笔
英英释义
A propelling pencil is a writing instrument that has a mechanism to extend and retract the lead, allowing for continuous use without the need for sharpening. | 自动铅笔是一种书写工具,具有延伸和缩回铅芯的机制,使其可以持续使用而无需削尖。 |
例句
1.When I was in school, I always lost my propelling pencil during class.
上学时,我总是在课堂上丢失我的自动铅笔。
2.The artist used a propelling pencil to sketch the initial outlines of his drawing.
艺术家用自动铅笔勾勒出画作的初步轮廓。
3.I always carry a propelling pencil in my backpack for quick notes.
我总是在背包里带着一支自动铅笔以便快速记笔记。
4.My friend gifted me a fancy propelling pencil for my birthday.
我朋友送了我一支漂亮的自动铅笔作为生日礼物。
5.During the exam, I preferred using a propelling pencil instead of a regular pen.
在考试期间,我更喜欢使用自动铅笔而不是普通的钢笔。
作文
In the world of writing instruments, the propelling pencil stands out as a remarkable tool that combines convenience with precision. Unlike traditional wooden pencils that require constant sharpening, a propelling pencil offers a simple mechanism for extending the lead, making it an ideal choice for students, professionals, and artists alike. The design of a propelling pencil allows users to focus on their creativity and ideas without the interruption of needing to sharpen their writing tool. This innovation has transformed the way we write and draw, providing a seamless experience that enhances productivity.The history of the propelling pencil dates back to the early 19th century when inventors sought to create a more efficient writing instrument. The first models were made of metal and featured a simple push mechanism that would extend the lead when pressed. Over time, the design evolved, incorporating materials such as plastic and rubber, which made them more affordable and accessible to the general public. Today, propelling pencils come in various styles, colors, and lead sizes, catering to different preferences and needs.One of the primary advantages of using a propelling pencil is its ease of use. With a simple click or twist, users can extend the lead without the need for a sharpener. This feature is particularly beneficial during exams or important meetings, where time is of the essence. Imagine being in the middle of a crucial test and realizing that your pencil is dull. With a traditional pencil, you would have to waste valuable time sharpening it. However, with a propelling pencil, you can quickly extend the lead and continue writing without missing a beat.Moreover, propelling pencils often come with replaceable leads, which means that once the lead runs out, users can simply refill it instead of discarding the entire pencil. This not only makes them more economical but also environmentally friendly, as it reduces waste. Additionally, many propelling pencils are designed to be ergonomic, providing a comfortable grip that minimizes hand fatigue during extended writing sessions.For artists, a propelling pencil can be an invaluable tool. The ability to control the thickness of the line by adjusting the lead size allows for greater versatility in drawing techniques. Whether sketching fine details or shading larger areas, artists can rely on the precision of a propelling pencil to achieve their desired effects. Furthermore, the consistent quality of the lead ensures that the marks made are smooth and even, enhancing the overall quality of the artwork.In conclusion, the propelling pencil is more than just a writing instrument; it is a symbol of innovation and practicality. Its development has revolutionized the way we approach writing and drawing, making it easier, faster, and more efficient. As we continue to embrace technology and design advancements, the propelling pencil remains a timeless tool that will undoubtedly remain relevant for generations to come. Whether you are a student, a professional, or an artist, incorporating a propelling pencil into your toolkit can enhance your writing and creative processes significantly.
在书写工具的世界中,自动铅笔作为一种结合了便利性和精确性的卓越工具而脱颖而出。与需要不断削尖的传统木铅笔不同,自动铅笔提供了一种简单的机制来延伸铅芯,使其成为学生、专业人士和艺术家的理想选择。自动铅笔的设计使用户能够专注于他们的创造力和想法,而无需因需要削尖书写工具而中断。这一创新改变了我们书写和绘画的方式,提供了一种无缝的体验,提升了生产力。自动铅笔的历史可以追溯到19世纪初,当时发明家们试图创造一种更高效的书写工具。最早的型号是由金属制成的,采用简单的推杆机制,按下时会延伸铅芯。随着时间的推移,设计不断演变,融入了塑料和橡胶等材料,使其更加经济实惠,普通公众也能轻松获得。如今,自动铅笔有多种风格、颜色和铅芯尺寸,满足不同的偏好和需求。使用自动铅笔的主要优点之一是其易用性。只需简单的点击或旋转,用户就可以延伸铅芯,而无需使用削铅器。这一特点在考试或重要会议期间尤为有利,因为时间至关重要。想象一下,在关键测试中,你突然发现铅笔钝了。使用传统铅笔时,你需要浪费宝贵的时间去削尖它。然而,使用自动铅笔,你可以快速延伸铅芯,继续书写而不会错过任何节拍。此外,许多自动铅笔都配有可更换的铅芯,这意味着一旦铅芯用完,用户只需简单地补充,而不必丢弃整支铅笔。这不仅使其更具经济性,而且还环保,因为减少了浪费。此外,许多自动铅笔的设计符合人体工程学,提供舒适的握持感,减少长时间书写时的手部疲劳。对于艺术家来说,自动铅笔可以成为一项宝贵的工具。通过调整铅芯的大小来控制线条的粗细,使得绘画技巧更加多样化。无论是勾勒细节还是阴影处理,艺术家都可以依赖自动铅笔的精确性来实现他们想要的效果。此外,铅芯的一致质量确保所做的标记光滑均匀,提高了整体作品的质量。总之,自动铅笔不仅仅是一种书写工具;它是创新和实用性的象征。它的发展革命性地改变了我们对书写和绘画的看法,使其变得更容易、更快速和更高效。随着我们继续接受技术和设计的进步,自动铅笔仍然是一个永恒的工具,无疑将在未来几代人中保持相关性。无论你是学生、专业人士还是艺术家,将自动铅笔纳入你的工具箱中,都可以显著提升你的书写和创作过程。
相关单词