telescope topmast

简明释义

伸缩桅

英英释义

例句

1.During the storm, the crew had to lower the telescope topmast to prevent damage.

在暴风雨中，船员们不得不降低望远镜桅杆以防止受损。

2.The captain instructed his team to clean the telescope topmast before their next voyage.

船长指示他的团队在下次航行前清洁望远镜桅杆。

3.A well-maintained telescope topmast can significantly improve the ship's navigation capabilities.

维护良好的望远镜桅杆可以显著提高船只的导航能力。

4.The sailor adjusted the telescope topmast to get a better view of the approaching ship.

水手调整了望远镜桅杆以更好地观察即将靠近的船只。

5.He used the telescope topmast to spot the lighthouse from miles away.

他利用望远镜桅杆从几英里外发现了灯塔。

作文

The world of sailing and maritime navigation is filled with fascinating terms and concepts that have evolved over centuries. One such term is the telescope topmast, which plays a crucial role in the rigging of a sailing vessel. To understand its significance, we must delve into the anatomy of a ship and the importance of masts in sailing. Masts are tall vertical structures on a ship that support the sails and rigging. They are essential for harnessing the wind's power to propel the vessel forward. The telescope topmast is a specific type of mast that can be extended or retracted. This feature is particularly advantageous for navigating under bridges or entering harbors where height restrictions may apply. By being able to adjust the height of the mast, sailors can ensure their vessel safely passes through obstacles without compromising the integrity of the sails or rigging. The design of the telescope topmast is an engineering marvel. It consists of two sections: an inner and an outer mast. The outer mast can slide over the inner mast, allowing it to extend upward when needed. This telescoping mechanism is not only practical but also enhances the ship's overall performance by providing more sail area when the conditions are favorable. When the winds are strong, sailors can raise the telescope topmast to take advantage of the increased wind flow, thus maximizing their speed and efficiency. In addition to its functional benefits, the telescope topmast represents the ingenuity of maritime technology. Sailors have always been innovators, finding ways to adapt to the challenges of the sea. The ability to modify the height of a mast demonstrates a deep understanding of aerodynamics and hydrodynamics, as well as the necessity of safety in navigation. Furthermore, the use of a telescope topmast reflects the evolution of sailing vessels from traditional wooden ships to modern yachts equipped with advanced materials and technologies. Moreover, the telescope topmast is not just a mechanical component; it also carries historical significance. Many famous sailing expeditions relied on the effectiveness of their masts and sails. For instance, during the Age of Exploration, ships with innovative rigging systems, including telescoping masts, were able to traverse vast oceans, discovering new lands and trade routes. These voyages laid the groundwork for globalization and the exchange of cultures, goods, and ideas. As we reflect on the importance of the telescope topmast in maritime history, we also recognize its relevance in contemporary sailing. Modern sailors continue to appreciate the blend of tradition and innovation that defines their craft. Whether participating in competitive racing or leisurely cruising, the mastery of rigging, including the use of a telescope topmast, remains a vital skill. In conclusion, the telescope topmast is more than just a piece of equipment; it embodies the spirit of exploration, innovation, and adaptation that characterizes the maritime world. Understanding its function and significance allows us to appreciate the complexities of sailing and the rich history behind it. As we continue to navigate the seas, let us honor the advancements made by sailors of the past and embrace the technologies that shape our future on the water.

航海和海洋导航的世界充满了迷人的术语和概念，这些术语和概念经过几个世纪的发展而演变。其中一个术语是望远镜顶桅杆，它在帆船的索具中扮演着至关重要的角色。要理解它的重要性，我们必须深入了解船只的结构以及桅杆在航行中的重要性。桅杆是船上高耸的垂直结构，用于支撑帆和索具。它们对于利用风的力量推动船只前进至关重要。望远镜顶桅杆是一种特定类型的桅杆，可以伸缩。这一特点在航行通过桥梁或进入有高度限制的港口时尤为有利。通过能够调节桅杆的高度，水手可以确保他们的船只安全地通过障碍物，而不影响帆或索具的完整性。望远镜顶桅杆的设计是一项工程奇迹。它由两部分组成：内桅和外桅。外桅可以滑动在内桅上，从而在需要时向上延伸。这种伸缩机制不仅实用，而且通过在条件有利时提供更多的帆面积，增强了船只的整体性能。当风力强劲时，水手可以升起望远镜顶桅杆，以利用增加的风流，从而最大限度地提高速度和效率。除了功能上的好处，望远镜顶桅杆还代表了海洋技术的聪明才智。水手一直是创新者，寻找适应海洋挑战的方法。能够调节桅杆的高度展示了对空气动力学和水动力学的深刻理解，以及在航行中安全的必要性。此外，使用望远镜顶桅杆反映了从传统木船到配备先进材料和技术的现代游艇的航行器的发展。此外，望远镜顶桅杆不仅是一个机械组件，它还具有历史意义。许多著名的航海探险依赖于其桅杆和帆的有效性。例如，在探索时代，配备创新索具系统（包括可伸缩桅杆）的船只能够横渡广阔的海洋，发现新大陆和贸易路线。这些航行为全球化和文化、商品、思想的交流奠定了基础。当我们反思望远镜顶桅杆在海洋历史中的重要性时，我们也认识到它在当代航海中的相关性。现代水手继续欣赏定义他们工艺的传统与创新的结合。无论是参加竞争性比赛还是悠闲地巡航，掌握索具，包括使用望远镜顶桅杆，仍然是一项重要技能。总之，望远镜顶桅杆不仅仅是一件设备；它体现了探索、创新和适应的精神，这些特征定义了海洋世界。理解其功能和重要性使我们能够欣赏航海的复杂性及其背后的丰富历史。在我们继续在海上航行时，让我们尊重过去水手所做的进步，并拥抱塑造我们未来航海的技术。