drag keel

简明释义

弧形龙骨

英英释义

例句

1.The drag keel helps to reduce sideways drift when sailing.

拖曳龙骨有助于减少航行时的侧向漂移。

2.Before setting out, make sure the drag keel is properly secured.

出发前，请确保拖曳龙骨已正确固定。

3.In shallow waters, the drag keel can be retracted to avoid grounding.

在浅水区，可以收起拖曳龙骨以避免搁浅。

4.The sailboat's stability improved significantly after adding a drag keel.

在添加了拖曳龙骨后，帆船的稳定性显著提高。

5.During the race, the team adjusted the angle of the drag keel for better performance.

在比赛中，团队调整了拖曳龙骨的角度以获得更好的表现。

作文

The concept of a drag keel is essential in the world of sailing and maritime navigation. A drag keel is a type of keel that is designed to enhance the stability and performance of a vessel while it is in motion. Unlike traditional keels, which are fixed structures that extend below the hull, a drag keel can be deployed or retracted depending on the conditions of the water and the desired speed of the boat. This adaptability makes it an invaluable feature for sailors who navigate through various environments, from calm lakes to turbulent seas.One of the primary functions of a drag keel is to provide lateral resistance against the force of the wind on the sails. When a boat is under sail, the wind exerts pressure on the sails, causing the boat to heel over. The drag keel counteracts this heeling by providing a stabilizing force that helps keep the boat upright. This is particularly important during strong winds when the risk of capsizing increases significantly.Moreover, a drag keel can also improve the overall speed of the vessel. By optimizing the underwater profile of the boat, a drag keel reduces drag and allows for smoother movement through the water. This is especially beneficial for competitive sailors who are looking to gain an edge over their opponents. The ability to adjust the keel's depth and angle can lead to better performance in different wind and wave conditions.In addition to its practical applications, the design and implementation of a drag keel also reflect the innovation and engineering prowess of modern boat builders. The materials used for constructing a drag keel have evolved over the years, with advancements in technology allowing for lighter and stronger components. This has made it possible to create boats that are not only faster but also more durable and easier to handle.Sailors must also be aware of the maintenance required for a drag keel. Regular inspections and upkeep are necessary to ensure that the keel operates smoothly and efficiently. Any damage or wear can significantly affect the performance of the boat, leading to safety issues and reduced speed. Therefore, understanding how to care for a drag keel is an essential skill for any serious sailor.In conclusion, the drag keel plays a crucial role in the functionality and performance of modern sailing vessels. Its ability to provide stability, enhance speed, and adapt to various conditions makes it a vital component for sailors around the world. As technology continues to advance, the design and effectiveness of drag keels will likely improve, further transforming the way we navigate our waters. Understanding the importance of a drag keel not only enriches one’s knowledge of sailing but also deepens the appreciation for the art and science behind maritime travel.

“拖曳龙骨”的概念在航海和海事导航的世界中至关重要。“拖曳龙骨”是一种设计用于增强船只在运动时的稳定性和性能的龙骨。与传统龙骨不同，传统龙骨是固定结构，延伸至船体下方，而“拖曳龙骨”可以根据水域的条件和船只所需的速度进行部署或收回。这种适应性使其成为航海者在各种环境中航行时不可或缺的特征，从平静的湖泊到动荡的海洋。“拖曳龙骨”的主要功能之一是为帆上的风力提供侧向阻力。当船只在航行时，风对帆施加压力，导致船只倾斜。“拖曳龙骨”通过提供稳定的力量来抵消这种倾斜，帮助船只保持直立。这在强风中尤为重要，因为翻覆的风险显著增加。此外，“拖曳龙骨”还可以提高船只的整体速度。通过优化船只的水下轮廓，“拖曳龙骨”减少了阻力，使船只能够更顺畅地穿过水面。这对于寻求在竞争中获得优势的竞技航海者尤其有利。调整龙骨的深度和角度的能力可以在不同的风浪条件下提高性能。除了其实用应用外，“拖曳龙骨”的设计和实施也反映了现代船舶制造商的创新和工程实力。用于构建“拖曳龙骨”的材料多年来不断发展，技术的进步使得更轻、更强的组件成为可能。这使得创造出不仅更快而且更耐用、易于操控的船只成为可能。航海者还必须注意“拖曳龙骨”的维护。定期检查和保养是确保龙骨平稳高效运作所必需的。任何损坏或磨损都可能会显著影响船只的性能，导致安全问题和速度下降。因此，了解如何照顾“拖曳龙骨”是任何认真航海者必备的技能。总之，“拖曳龙骨”在现代帆船的功能性和性能中发挥着至关重要的作用。它提供稳定性、增强速度并适应各种条件，使其成为全球航海者的重要组成部分。随着技术的持续进步，“拖曳龙骨”的设计和效果可能会进一步改善，进一步改变我们航行的方式。理解“拖曳龙骨”的重要性不仅丰富了人们对航海的知识，也加深了对海事旅行艺术和科学的欣赏。