standing block

简明释义

定滑车

英英释义

例句

1.During the competition, each participant had to balance on a standing block while throwing axes.

在比赛中，每位参与者必须站在立放块上投掷斧头。

2.The athlete practiced her jumps off a standing block to improve her height.

运动员在立放块上练习跳跃，以提高她的高度。

3.The lumberjack secured the tree to the standing block for easier cutting.

伐木工人将树木固定在立放块上，以便更方便地切割。

4.The technician placed the equipment on a standing block to keep it off the ground.

技术员将设备放在立放块上，以使其离地面更高。

5.In woodworking, a standing block is often used to hold pieces steady while sanding.

在木工中，立放块通常用于在打磨时保持木件稳固。

作文

In the world of sailing and rigging, the term standing block is often used to describe a crucial component that plays a significant role in the functionality of a boat's rigging system. A standing block refers to a type of block that is fixed in place, as opposed to a running block which can move along a line. This distinction is important because it helps sailors understand how to effectively manage their sails and lines during navigation. The standing block is typically used to guide and support the halyards, sheets, and other lines that control the sails, ensuring that they function optimally and efficiently.Understanding the importance of the standing block requires knowledge of basic sailing principles. When a sailor raises a sail, they use a halyard that runs through the standing block. The fixed position of the standing block allows for the halyard to apply consistent tension on the sail, which is essential for maintaining the shape of the sail and maximizing its efficiency. Without a properly installed standing block, a sailor might struggle with inconsistent sail performance, leading to reduced speed and maneuverability on the water.Moreover, the materials used for a standing block can greatly affect its durability and performance. Typically made from strong materials such as aluminum or high-strength plastic, these blocks must withstand the harsh conditions of marine environments. Corrosion resistance is also a key factor, as saltwater can quickly degrade lesser materials. Thus, when equipping a sailboat, selecting high-quality standing blocks is vital for long-term reliability and safety.Additionally, the positioning of the standing block on a sailing vessel is critical. It needs to be strategically placed to allow for easy access and operation while also ensuring that it does not interfere with other rigging components. Experienced sailors often spend time adjusting the placement of their standing blocks to find the optimal configuration that enhances their sailing experience. This process can involve trial and error, but the end result is usually a more efficient and enjoyable sailing adventure.Furthermore, understanding how to maintain the standing block is essential for any sailor. Regular checks for wear and tear, lubrication of moving parts, and inspections for corrosion are necessary to keep the block functioning properly. Neglecting these maintenance tasks can lead to failures at critical moments, potentially putting the crew and vessel at risk. Therefore, sailors should always prioritize the upkeep of their standing blocks as part of their regular sailing routine.In conclusion, the standing block is a fundamental component of sailing that serves a specific purpose in the rigging system of a boat. Its fixed nature allows for better control of sails, contributing to overall sailing performance. The choice of materials, placement, and maintenance of the standing block are all factors that can significantly impact a sailor's experience on the water. By understanding and mastering the use of standing blocks, sailors can enhance their skills and ensure a more successful voyage.

在航海和索具的世界中，术语standing block常用于描述一个在船只索具系统中扮演重要角色的关键组件。standing block指的是一种固定在原位的滑轮，与可以沿着绳索移动的运行滑轮相对。这一区别很重要，因为它帮助水手理解如何在航行过程中有效管理他们的帆和绳索。standing block通常用于引导和支撑控制帆的索具、绳索和其他线缆，确保它们的功能最优和高效。理解standing block的重要性需要掌握基本的航海原理。当水手升起帆时，他们使用通过standing block运行的帆索。standing block的固定位置允许帆索对帆施加持续的张力，这对于保持帆的形状和最大化其效率至关重要。如果没有正确安装的standing block，水手可能会面临不一致的帆性能，导致在水上的速度和机动性降低。此外，standing block所用的材料会极大影响其耐用性和性能。通常由铝或高强度塑料等强材料制成，这些滑轮必须承受海洋环境的恶劣条件。抗腐蚀性也是一个关键因素，因为盐水会迅速降解较差的材料。因此，在装备帆船时，选择高质量的standing blocks对于长期可靠性和安全性至关重要。此外，standing block在帆船上的定位也至关重要。它需要战略性地放置，以便于访问和操作，同时确保不干扰其他索具组件。经验丰富的水手通常会花时间调整standing blocks的位置，以找到增强他们航海体验的最佳配置。这个过程可能涉及反复试验，但最终结果通常是更高效、更愉快的航海冒险。此外，了解如何维护standing block对于任何水手来说都是必不可少的。定期检查磨损和撕裂、润滑活动部件以及检查腐蚀是保持滑轮正常工作的必要措施。忽视这些维护任务可能会导致在关键时刻发生故障，潜在地使船员和船只处于风险之中。因此，水手应始终将维护standing blocks作为其定期航海例行工作的一部分。总之，standing block是航海的基本组成部分，在船只的索具系统中发挥特定作用。它的固定特性允许更好地控制帆，从而有助于整体航海性能。材料的选择、位置和维护都可能对水手在水上的体验产生重大影响。通过理解和掌握standing blocks的使用，水手可以提升他们的技能，确保更成功的航行。